{"kind": "product", "path": "vulns/ubuntu-26.10/flatpak", "name": "flatpak", "product": "flatpak", "ecosystem": "Ubuntu:26.10", "items": [{"id": "CVE-2026-97029", "noindex": false, "published": "2026-09-29T03:43:16.941Z", "modified": "2026-09-29T15:52:22.393Z", "cvss": 5.7, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00245, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-97029", "title": "Flatpak: flatpak: sandboxed app can signal unsandboxed processes in the same process group", "description": "Flatpak's process ID namespace separation does not prevent a sandboxed app's kill(0, signal) or killpg(0, signal) calls from reaching processes outside the sandbox that share the same process group. A malicious or compromised Flatpak app can use this to cause denial of service by terminating processes outside its sandbox, such as the desktop shell.", "references": ["https://access.redhat.com/security/cve/CVE-2026-97029", "https://bugzilla.redhat.com/show_bug.cgi?id=2542698", "https://github.com/flatpak/flatpak/security/advisories/GHSA-f3p8-vr7v-gxf2"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-97024", "noindex": false, "published": "2026-09-29T03:23:00.602Z", "modified": "2026-09-29T10:38:57.588Z", "cvss": 7.1, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H", "severity": "high", "epss": 0.00305, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-97024", "title": "Flatpak: flatpak: arbitrary write in root context via path traversal in deploy directory files/etc", "description": "A path traversal vulnerability in Flatpak's handling of the files/etc directory during app deployment allows a malicious Flatpak app to cause certain host system files (such as passwd, group, machine-id, or resolv.conf) to be emptied or replaced with a symlink when the app is installed or upgraded. In system-wide installations, the write is performed as root.", "references": ["https://access.redhat.com/security/cve/CVE-2026-97024", "https://bugzilla.redhat.com/show_bug.cgi?id=2542625", "https://github.com/flatpak/flatpak/security/advisories/GHSA-8xgq-v545-vgvf"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-97027", "noindex": false, "published": "2026-09-28T20:57:06.758Z", "modified": "2026-09-29T19:40:02.638Z", "cvss": 3.6, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L", "severity": "low", "epss": 0.00126, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-97027", "title": "Flatpak: flatpak: denial of service via unsanitized keys in exported desktop entry / d-bus service files", "description": "Flatpak passes through arbitrary vendor-extension keys unmodified when exporting an application's Desktop Entry (.desktop) and D-Bus Service (.service) files, instead of validating against an allowlist. A malicious Flatpak app can use this to cause denial of service (e.g. forced application restart loops) or to influence host D-Bus/systemd activation behavior beyond what the sandbox is intended to permit.", "references": ["https://access.redhat.com/security/cve/CVE-2026-97027", "https://bugzilla.redhat.com/show_bug.cgi?id=2542683", "https://github.com/flatpak/flatpak/security/advisories/GHSA-v64f-hrwr-j4vh"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-97026", "noindex": false, "published": "2026-09-28T20:57:03.702Z", "modified": "2026-09-30T20:11:11.704Z", "cvss": 3.9, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L", "severity": "low", "epss": 0.00104, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-97026", "title": "Flatpak: flatpak: world-writable temporary child repositories in system-helper cache path", "description": "Flatpak creates temporary child repository directories under the user cache with world-writable permissions (0777). On multi-user systems with a permissive umask, other local users could read or modify the temporary directory used while installing apps or runtimes, potentially causing installation failures (denial of service); tampered content would fail signature/digest verification rather than being trusted.", "references": ["https://access.redhat.com/security/cve/CVE-2026-97026", "https://bugzilla.redhat.com/show_bug.cgi?id=2542637", "https://github.com/flatpak/flatpak/security/advisories/GHSA-r9w3-qx54-qvc8"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-97025", "noindex": false, "published": "2026-09-28T20:57:01.080Z", "modified": "2026-09-29T15:59:42.565Z", "cvss": 3.2, "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N", "severity": "low", "epss": 0.00125, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-97025", "title": "Flatpak: flatpak: world-readable oci authentication token in system-helper cache path", "description": "Flatpak writes the OCI repository authentication token with world-readable permissions (0644) in the system-helper's cache directory, allowing other local users on a multi-user system to read the token and impersonate the authenticated user against the OCI repository. Only OCI-based sources (e.g. as used by Fedora) are affected; libostree-based sources such as Flathub are not.", "references": ["https://access.redhat.com/security/cve/CVE-2026-97025", "https://bugzilla.redhat.com/show_bug.cgi?id=2542628", "https://github.com/flatpak/flatpak/security/advisories/GHSA-7rvf-rqr3-43j4"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-97023", "noindex": false, "published": "2026-09-28T18:53:28.600Z", "modified": "2026-09-28T19:27:14.558Z", "cvss": 7.1, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H", "severity": "high", "epss": 0.00283, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-97023", "title": "Flatpak: flatpak: arbitrary file deletion in root context via path traversal in deploy directory export/bin", "description": "A path traversal vulnerability in Flatpak's handling of the export/bin directory during app deployment allows a malicious Flatpak app to cause deletion of attacker-chosen files outside the deployment directory when the app is installed or upgraded. In system-wide installations, the deletion is performed as root.", "references": ["https://access.redhat.com/security/cve/CVE-2026-97023", "https://github.com/flatpak/flatpak/security/advisories/GHSA-5p67-xh8x-rq54", "https://nvd.nist.gov/vuln/detail/CVE-2026-97023"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2026-76925", "noindex": false, "published": "2026-09-04T21:02:00.079Z", "modified": "2026-10-16T11:54:29.247Z", "cvss": 5.8, "cvss_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L", "severity": "medium", "epss": 0.00103, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-76925", "title": "Flatpak: flatpak: toctou race condition allows symlink redirection", "description": "A flaw was found in Flatpak. A Time-of-check to time-of-use (TOCTOU) race condition exists in the `org.freedesktop.Flatpak.SystemHelper` component. This vulnerability occurs because a privileged `chmod` operation executes before the OSTree repository validation within the `Deploy()` function. An attacker can exploit this timing window to redirect symlinks to arbitrary files, potentially leading to unauthorized file manipulation or information disclosure.", "references": ["https://access.redhat.com/security/cve/CVE-2026-76925", "https://bugzilla.redhat.com/show_bug.cgi?id=2520099", "https://nvd.nist.gov/vuln/detail/CVE-2026-76925"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2023-28101", "noindex": false, "published": "2023-03-16T15:55:53.576Z", "modified": "2025-02-25T14:55:35.911Z", "cvss": 5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N", "severity": "medium", "epss": 0.00879, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-28101", "title": "Flatpak metadata with ANSI control codes can cause misleading terminal output", "description": "Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.8, 1.12.8, 1.14.4, and 1.15.4, if an attacker publishes a Flatpak app with elevated permissions, they can hide those permissions from users of the `flatpak(1)` command-line interface by setting other permissions to crafted values that contain non-printable control characters such as `ESC`. A fix is available in versions 1.10.8, 1.12.8, 1.14.4, and 1.15.4. As a workaround, use a GUI like GNOME Software rather than the command-line interface, or only install apps whose maintainers you trust.", "references": ["https://github.com/flatpak/flatpak/security/advisories/GHSA-h43h-fwqx-mpp8", "https://github.com/flatpak/flatpak/commit/409e34187de2b2b2c4ef34c79f417be698830f6c", "https://github.com/flatpak/flatpak/commit/6cac99dafe6003c8a4bd5666341c217876536869"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}, {"id": "CVE-2023-28100", "noindex": false, "published": "2023-03-16T15:51:32.037Z", "modified": "2025-02-13T16:45:39.112Z", "cvss": 10, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "severity": "critical", "epss": 0.00871, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-28100", "title": "TIOCLINUX can send commands outside sandbox if running on a virtual console", "description": "Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Versions prior to 1.10.8, 1.12.8, 1.14.4, and 1.15.4 contain a vulnerability similar to CVE-2017-5226, but using the `TIOCLINUX` ioctl command instead of `TIOCSTI`. If a Flatpak app is run on a Linux virtual console such as `/dev/tty1`, it can copy text from the virtual console and paste it into the command buffer, from which the command might be run after the Flatpak app has exited. Ordinary graphical terminal emulators like xterm, gnome-terminal and Konsole are unaffected. This vulnerability is specific to the Linux virtual consoles `/dev/tt", "references": ["https://github.com/flatpak/flatpak/security/advisories/GHSA-7qpw-3vjv-xrqp", "https://github.com/flatpak/flatpak/commit/8e63de9a7d3124f91140fc74f8ca9ed73ed53be9", "https://marc.info/?l=oss-security&m=167879021709955&w=2"], "fixes": [], "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}]}], "total": 9, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "flatpak", "path": "vulns/ubuntu-26.10/flatpak", "ecosystem": "Ubuntu:26.10"}], "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": 6, "kev": 0}, "lastmod": "2026-10-16T11:54:29.247Z", "early_advisories": [], "license": "Vous pouvez librement utiliser la sélection de PatchFirst et nos ajouts (priorités, alertes précoces, textes, synthèses et agrégats) pour vos propres besoins, y compris les activités internes de votre entreprise. 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Les actualités sont accompagnées d’un lien vers la source originale dans chaque entrée.", "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": "Les licences des bases d’origine varient ; voir le catalogue des sources."}, {"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": "Évaluations publiques gratuites ; mention de la source demandée (FIRST EPSS, évaluations produites par 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. 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