{"kind": "product", "path": "vulns/ubuntu-25.10/curl", "name": "curl", "product": "curl", "ecosystem": "Ubuntu:25.10", "items": [{"id": "CVE-2026-9547", "noindex": false, "published": "2026-07-03T06:18:44.499Z", "modified": "2026-09-15T06:03:34.802Z", "cvss": 7.4, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "severity": "high", "epss": 0.00325, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-9547", "title": "SSH improper host validation", "description": "When a libcurl-based application performs transfers via `SCP://` or `SFTP://`\nand utilizes the `CURLOPT_SSH_KEYFUNCTION` callback, it may silently accept an\nuntrusted server. This vulnerability occurs when a server presents a host key\ntype that does not match the specific key type already recorded for that host\nin the `known_hosts` file. Instead of rejecting the mismatch, the callback\nmechanism fails to properly enforce the restriction, allowing the connection\nto succeed without warning and risking a potential man-in-the-middle attack.", "references": ["https://curl.se/docs/CVE-2026-9547.json", "https://curl.se/docs/CVE-2026-9547.html", "https://hackerone.com/reports/3751712"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-9545", "noindex": false, "published": "2026-07-03T06:17:55.931Z", "modified": "2026-09-15T06:03:31.804Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "severity": "high", "epss": 0.00408, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-9545", "title": "exposing HTTP/3 early data", "description": "In this scenario, libcurl first uses a proper HTTP/3 server for the initial\ntransfers, and when it makes a second transfer to the same site it has been\nreplaced by the attacker's impostor machine - without a valid certificate.\n\nWhen libcurl returns to the hostname the second time with a cached SSL session\n(`CURLOPT_SSL_SESSIONID_CACHE` is not disabled) and early data enabled (the\n`CURLSSLOPT_EARLYDATA` bit is set in `CURLOPT_SSL_OPTIONS`), libcurl might\nsend off the second request's bytes on that new connection *before* enforcing\nthe certificate verification failure. Potentially leaking sensitive\ninformation.", "references": ["https://curl.se/docs/CVE-2026-9545.json", "https://curl.se/docs/CVE-2026-9545.html", "https://hackerone.com/reports/3752888"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-9080", "noindex": false, "published": "2026-07-03T06:17:34.905Z", "modified": "2026-09-15T06:03:30.239Z", "cvss": 7.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "high", "epss": 0.00494, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-9080", "title": "UAF after pause in socket callback", "description": "Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION`\ncallback triggers a use-after-free vulnerability, where libcurl attempts to\nstore a flag using a dangling struct pointer immediately after that pointer's\nmemory has been freed.", "references": ["https://curl.se/docs/CVE-2026-9080.json", "https://curl.se/docs/CVE-2026-9080.html", "https://hackerone.com/reports/3749204"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-9079", "noindex": false, "published": "2026-07-03T06:16:51.127Z", "modified": "2026-09-15T06:03:28.741Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00584, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-9079", "title": "stale proxy password leak", "description": "libcurl had a flaw that when instructed to clear proxy authentication\ncredentials which made it not do so, leaving the old credentials around to get\nused for subsequent transfers that should not know nor use them.", "references": ["https://curl.se/docs/CVE-2026-9079.json", "https://curl.se/docs/CVE-2026-9079.html", "https://hackerone.com/reports/3750295"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-8932", "noindex": false, "published": "2026-07-03T06:16:30.485Z", "modified": "2026-09-15T06:03:27.324Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "severity": "high", "epss": 0.00396, "kev": false, "exploits": ["public-poc"], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-8932", "title": "incomplete mTLS config matching in conn reuse", "description": "libcurl would reuse a previously created connection even when some mTLS config\nrelated option had been changed that should have prohibited reuse.\n\nlibcurl keeps previously used connections in a connection pool for subsequent\ntransfers to reuse if one of them matches the setup. However, some TLS\nsettings related to client certificates were left out from the configuration\nmatch checks, making them match too easily. In particular options related to\nthe private key.", "references": ["https://curl.se/docs/CVE-2026-8932.json", "https://curl.se/docs/CVE-2026-8932.html", "https://hackerone.com/reports/3733910"], "fixes": [], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-8927", "noindex": false, "published": "2026-07-03T06:16:06.376Z", "modified": "2026-09-15T06:03:25.335Z", "cvss": 9.1, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "severity": "critical", "epss": 0.005, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-8927", "title": "env-set cross-proxy Digest auth state leak", "description": "When reusing a libcurl handle for sequential transfers driven by\nenvironment-variable proxy configuration, libcurl fails to clear the proxy\nauthentication state between requests. Specifically, if the initial transfer\nauthenticates against `proxyA` using Digest auth, a subsequent transfer routed\nthrough `proxyB` erroneously leaks the `Proxy-Authorization:` header intended\nsolely for `proxyA`.", "references": ["https://curl.se/docs/CVE-2026-8927.json", "https://curl.se/docs/CVE-2026-8927.html", "https://hackerone.com/reports/3744543"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-8926", "noindex": false, "published": "2026-07-03T06:15:45.735Z", "modified": "2026-09-15T06:03:23.777Z", "cvss": 9.1, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "severity": "critical", "epss": 0.00444, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-8926", "title": "password leak with netrc and user in URL", "description": "When asking curl to use a `.netrc` file to find credentials and at the same\ntime specifying a URL with a username (without a password), like\n`https://user@example.com/`, curl could wrongly get and use the password for\n*another* user set in the `.netrc` file for that host if such a one exists and\nthere is no match for the specified user.", "references": ["https://curl.se/docs/CVE-2026-8926.json", "https://curl.se/docs/CVE-2026-8926.html", "https://hackerone.com/reports/3735184"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-8925", "noindex": false, "published": "2026-07-03T06:15:25.448Z", "modified": "2026-09-15T06:03:22.227Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.0108, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-8925", "title": "SASL double-free", "description": "The curl logic that works with SASL authentication could end up cleaning up\nthe GSASL context *twice* without clearing the pointer in between, making it\n`free()` the same pointer twice.", "references": ["https://curl.se/docs/CVE-2026-8925.json", "https://curl.se/docs/CVE-2026-8925.html", "https://hackerone.com/reports/3735193"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-8924", "noindex": false, "published": "2026-07-03T06:15:04.646Z", "modified": "2026-09-15T06:03:20.848Z", "cvss": 9.1, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "severity": "critical", "epss": 0.00661, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-8924", "title": "trailing dot domain super cookie", "description": "A flaw in curl’s cookie parsing logic allows a malicious HTTP server to set\n\"super cookies\" that bypass the Public Suffix List check. This enables an\nattacker-controlled origin to inject cookies that curl subsequently scopes and\ntransmits to unrelated third-party domains.", "references": ["https://curl.se/docs/CVE-2026-8924.json", "https://curl.se/docs/CVE-2026-8924.html", "https://hackerone.com/reports/3733905"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-8458", "noindex": false, "published": "2026-07-03T06:14:42.258Z", "modified": "2026-09-15T06:03:19.330Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "severity": "medium", "epss": 0.00371, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-8458", "title": "wrong reuse for different services", "description": "libcurl might in some circumstances reuse the wrong connection when asked to\ndo Negotiate-authenticated ones, even when they are set to use different\n\"services\".\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different services.", "references": ["https://curl.se/docs/CVE-2026-8458.json", "https://curl.se/docs/CVE-2026-8458.html", "https://hackerone.com/reports/3721183"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-8286", "noindex": false, "published": "2026-07-03T06:14:17.541Z", "modified": "2026-09-15T06:03:17.789Z", "cvss": 8.1, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "severity": "high", "epss": 0.00309, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-8286", "title": "wrong STARTTLS connection reuse", "description": "A vulnerability exists where a new transfer that uses STARTTLS to upgrade the\nconnection might reuse an existing live connection even though the TLS\nconfiguration mismatches so it should not.", "references": ["https://curl.se/docs/CVE-2026-8286.json", "https://curl.se/docs/CVE-2026-8286.html", "https://hackerone.com/reports/3718195"], "fixes": ["8.14.1-2ubuntu1.4"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-12064", "noindex": false, "published": "2026-07-03T06:13:55.302Z", "modified": "2026-09-15T06:02:44.283Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "severity": "high", "epss": 0.00399, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-12064", "title": "proto-default skips SSH verification", "description": "When a user invokes curl using a schemeless URL combined with\n`--proto-default` sftp (or scp), a disconnect occurs between the tool layer\nand libcurl. The tool layer incorrectly infers the URL scheme, which\nerroneously bypasses the initialization of critical SSH security options like\nCURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 and CURLOPT_SSH_KNOWNHOSTS. Conversely, the\nlibcurl runtime successfully honors CURLOPT_DEFAULT_PROTOCOL and establishes\nthe connection via SFTP/SCP as specified. Because the tool layer skipped the\nsecurity configuration, these SSH host verification options are silently\nomitted, causing curl to connect to an unverified SSH remot", "references": ["https://curl.se/docs/CVE-2026-12064.json", "https://curl.se/docs/CVE-2026-12064.html", "https://hackerone.com/reports/3797526"], "fixes": ["8.14.1-2ubuntu1.5"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-11856", "noindex": false, "published": "2026-07-03T06:13:31.661Z", "modified": "2026-09-15T06:02:42.790Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00688, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-11856", "title": "cross-origin Digest auth state leak", "description": "Successfully using libcurl to do a transfer to a specific HTTP origin\n(`hostA`) with **Digest** authentication and then changing the origin to a\ndifferent one (`hostB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Authorization:` header field meant for `hostA`,\nto `hostB`.", "references": ["https://curl.se/docs/CVE-2026-11856.json", "https://curl.se/docs/CVE-2026-11856.html", "https://hackerone.com/reports/3793260"], "fixes": [], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-10536", "noindex": false, "published": "2026-07-03T06:11:15.378Z", "modified": "2026-09-15T06:02:36.781Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00598, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-10536", "title": "HTTP/2 stream-dependency tree UAF", "description": "A use-after-free vulnerability exists in libcurl when an application\nconfigures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or\n`CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and\nfinally terminates the handle with `curl_easy_cleanup()`. During this final\ncleanup phase, libcurl attempts to access and modify an internal structure\nthat was already freed during the reset operation.", "references": ["https://curl.se/docs/CVE-2026-10536.json", "https://curl.se/docs/CVE-2026-10536.html", "https://hackerone.com/reports/3751697"], "fixes": ["8.14.1-2ubuntu1.5"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-7168", "noindex": false, "published": "2026-05-13T08:29:08.900Z", "modified": "2026-09-15T06:03:07.424Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "severity": "medium", "epss": 0.00471, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-7168", "title": "cross-proxy Digest auth state leak", "description": "Successfully using libcurl to do a transfer over a specific HTTP proxy\n(`proxyA`) with **Digest** authentication and then changing the proxy host to\na second one (`proxyB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Proxy-Authorization:` header field meant for\n`proxyA`, to `proxyB`.", "references": ["https://curl.se/docs/CVE-2026-7168.json", "https://curl.se/docs/CVE-2026-7168.html", "https://hackerone.com/reports/3697719"], "fixes": ["8.14.1-2ubuntu1.3"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-6429", "noindex": false, "published": "2026-05-13T08:28:36.166Z", "modified": "2026-09-15T06:03:05.855Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "severity": "medium", "epss": 0.00519, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-6429", "title": "netrc credential leak with reused proxy connection", "description": "When asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.", "references": ["https://curl.se/docs/CVE-2026-6429.json", "https://curl.se/docs/CVE-2026-6429.html", "https://hackerone.com/reports/3677759"], "fixes": ["8.14.1-2ubuntu1.3"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-6276", "noindex": false, "published": "2026-05-13T08:28:19.273Z", "modified": "2026-09-15T06:03:04.059Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.00349, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-6276", "title": "stale custom cookie host causes cookie leak", "description": "Using libcurl, when a custom `Host:` header is first set for an HTTP request\nand a second request is subsequently done using the same *easy handle* but\nwithout the custom `Host:` header set, the second request would use stale\ninformation and pass on cookies meant for the first host in the second\nrequest. Leak them.", "references": ["https://curl.se/docs/CVE-2026-6276.json", "https://curl.se/docs/CVE-2026-6276.html", "https://hackerone.com/reports/3671818"], "fixes": ["8.14.1-2ubuntu1.3"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-6253", "noindex": false, "published": "2026-05-13T08:28:03.004Z", "modified": "2026-09-15T06:03:02.453Z", "cvss": 5.9, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00719, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-6253", "title": "proxy credentials leak over redirect-to proxy", "description": "curl might erroneously pass on credentials for a first proxy to a second\nproxy.\n\nThis can happen when the following conditions are true:\n\n1. curl is setup to use specific different proxies for different URL schemes\n2. the first proxy needs credentials\n3. the second proxy uses no credentials\n4. while using the first proxy (using say `http://`), curl is asked to follow\n   a redirect to a URL using another scheme (say `https://`), accessed using a\n   second, different, proxy", "references": ["https://curl.se/docs/CVE-2026-6253.json", "https://curl.se/docs/CVE-2026-6253.html", "https://hackerone.com/reports/3669637"], "fixes": ["8.14.1-2ubuntu1.3"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-5773", "noindex": false, "published": "2026-05-13T08:27:42.342Z", "modified": "2026-09-15T06:03:00.894Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "severity": "high", "epss": 0.00657, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-5773", "title": "wrong reuse of SMB connection", "description": "libcurl might in some circumstances reuse the wrong connection for SMB(S)\ntransfers.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a network transfer operation that was requested by an\napplication could wrongfully reuse an existing SMB connection to the same\nserver that was using a different \"share\" than the new subsequent transfer\nshould.\n\nThis could in unlucky situations lead to the download of the wrong file or the\nupload of a file to the wrong place. When this happ", "references": ["https://curl.se/docs/CVE-2026-5773.json", "https://curl.se/docs/CVE-2026-5773.html", "https://hackerone.com/reports/3650689"], "fixes": ["8.14.1-2ubuntu1.3"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}, {"id": "CVE-2026-5545", "noindex": false, "published": "2026-05-13T08:27:26.065Z", "modified": "2026-09-15T06:02:59.285Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N", "severity": "medium", "epss": 0.00414, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-5545", "title": "wrong reuse of HTTP Negotiate connection", "description": "libcurl might in some circumstances reuse the wrong connection when asked to\ndo an authenticated HTTP(S) request after a Negotiate-authenticated one, when\nboth use the same host.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials.\n\nAn application that first uses Negotiate authentication to a server with\n`user1:passwo", "references": ["https://curl.se/docs/CVE-2026-5545.json", "https://curl.se/docs/CVE-2026-5545.html", "https://hackerone.com/reports/3642555"], "fixes": ["8.14.1-2ubuntu1.3"], "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}]}], "total": 32, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 2, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "curl", "path": "vulns/ubuntu-25.10/curl", "ecosystem": "Ubuntu:25.10"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-09-15T06:03:34.802Z", "early_advisories": [], "license": "You may freely use the PatchFirst selection and our additions (priorities, early warnings, texts, summaries and aggregates) for your own purposes, including internal business use. Resale, commercial distribution and bulk mirroring of this selection or these additions require a written agreement with the operator. Whenever you use or publish the selection or our additions, credit PatchFirst (https://patchfirst.dev/vulns/) with this link to the regional feed page. Original records from open sources remain subject to their respective licenses and terms. These conditions do not restrict your rights to the original data, which you can obtain directly from those sources.", "terms_url": "https://patchfirst.dev/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "Records are selected, normalized and combined by PatchFirst; summaries and translations may be added. News is credited with a link to the original source in each entry.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Upstream licenses vary; see the source catalog."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Free public scores; attribution requested (FIRST EPSS, scores generated by Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR\n ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."}, {"id": "nuclei", "name": "Nuclei Templates", "url": "https://github.com/projectdiscovery/nuclei-templates", "license": "MIT", "terms_url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/LICENSE.md", "notice": "MIT License\n\nCopyright (c) 2025 ProjectDiscovery, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE."}, {"id": "linux-kernel", "name": "Linux kernel releases", "url": "https://www.kernel.org/", "license": "CC-BY-SA-4.0", "terms_url": "https://www.kernel.org/legal.html", "notice": "Copyright (C) 1997-2014 by The Linux Kernel Organization, Inc."}]}