{"kind": "product", "path": "vulns/npm/node-opcua", "name": "node-opcua", "product": "node-opcua", "ecosystem": "npm", "items": [{"id": "CVE-2026-68904", "noindex": false, "published": "2026-09-16T16:18:28.984Z", "modified": "2026-09-16T18:34:50.941Z", "cvss": 7, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H", "severity": "high", "epss": 0.00443, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-68904", "title": "node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion", "description": "node-opcua is an OPC UA implementation for TypeScript and Node.js. From 2.0.0 until 2.170.0, node-opcua clients using the default keepSessionAlive setting can enter a repeated reconnection cycle when an OPC UA server's clock skew causes BadInvalidTimestamp responses. ClientSessionKeepAliveManager._ping_server treated the server-originated ServiceFault as a network outage and forced a transport reconnect, while ClientTCP_transport._on_ACK_response used socket.end() after failed HEL/ACK negotiation and could leave the connection in FIN-WAIT-2 when the peer did not close. Repetition at the keepAliveInterval accumulates file descriptors and memor", "references": ["https://github.com/node-opcua/node-opcua/security/advisories/GHSA-r2pf-9cw4-5j65", "https://github.com/node-opcua/node-opcua/pull/1497", "https://github.com/node-opcua/node-opcua/commit/1959cbb8946b386d2e24a1cce05b7148099d36e7"], "fixes": ["2.170.0"], "products": [{"name": "node-opcua", "path": "vulns/npm/node-opcua", "ecosystem": "npm"}]}, {"id": "CVE-2026-54156", "noindex": false, "published": "2026-09-14T16:09:07.744Z", "modified": "2026-09-14T16:35:48.958Z", "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": 0.00784, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-54156", "title": "node-opcua: Unbounded nonce cache enables unauthenticated heap exhaustion DoS", "description": "node-opcua is an OPC UA implementation for TypeScript and Node.js. Prior to 2.166.0, the process-global g_alreadyUsedNonce cache used by nonceAlreadyBeenUsed in packages/node-opcua-secure-channel/source/server/server_secure_channel_layer.ts records nonces from OpenSecureChannelRequest and CreateSession without expiration or a size limit. An unauthenticated remote attacker can repeatedly create sessions with unique nonces, causing entries to persist after session expiry and accumulate across connection cycles even when maxSessions=10 limits concurrent sessions. The resulting unbounded heap growth can exhaust the default Node.js heap and crash ", "references": ["https://github.com/node-opcua/node-opcua/security/advisories/GHSA-6wvw-vrw4-363w", "https://github.com/node-opcua/node-opcua/commit/b82c2939fe9c658de58da993f2798ec5481d7313", "https://github.com/node-opcua/node-opcua/releases/tag/v2.166.0"], "fixes": ["2.166.0"], "products": [{"name": "node-opcua", "path": "vulns/npm/node-opcua", "ecosystem": "npm"}]}, {"id": "CVE-2026-54155", "noindex": false, "published": "2026-09-14T16:07:50.461Z", "modified": "2026-09-14T16:39:35.824Z", "cvss": 7.7, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L", "severity": "high", "epss": 0.00424, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-54155", "title": "node-opcua: Missing nonce verification in UserNameIdentityToken authentication", "description": "node-opcua is an OPC UA implementation for TypeScript and Node.js. Prior to 2.166.0, the UserNameIdentityToken authentication handler in packages/node-opcua-server/source/opcua_server.ts decrypts an RSA-OAEP password blob but does not verify that the trailing bytes match the current session serverNonce. An unauthenticated remote attacker can obtain the server public key through GetEndpoints and forge a blob whose little-endian length produces an empty password passed to isValidUser, compromising accounts that accept an empty password. Missing nonce binding also allows a captured UserNameIdentityToken ciphertext to be replayed in another sessi", "references": ["https://github.com/node-opcua/node-opcua/security/advisories/GHSA-mq36-523m-x7vv", "https://github.com/node-opcua/node-opcua/commit/c6b05738682f5c8d70b1ea275c881f01a1cd9787", "https://github.com/node-opcua/node-opcua/releases/tag/v2.166.0"], "fixes": [], "products": [{"name": "node-opcua", "path": "vulns/npm/node-opcua", "ecosystem": "npm"}]}, {"id": "CVE-2022-24375", "noindex": false, "published": "2022-08-24T05:05:12.475Z", "modified": "2024-09-16T16:13:12.976Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P", "severity": "high", "epss": 0.01671, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2022-24375", "title": "Denial of Service (DoS)", "description": "The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.", "references": ["https://github.com/node-opcua/node-opcua/commit/7b5044b3f5866fbedc3efabd05e407352c07bd2f", "https://github.com/node-opcua/node-opcua/pull/1182", "https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988725"], "fixes": ["2.74.0"], "products": [{"name": "node-opcua", "path": "vulns/npm/node-opcua", "ecosystem": "npm"}]}, {"id": "CVE-2022-21208", "noindex": false, "published": "2022-08-23T05:06:18.829Z", "modified": "2024-09-16T23:05:25.933Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P", "severity": "high", "epss": 0.01461, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2022-21208", "title": "Denial of Service (DoS)", "description": "The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.", "references": ["https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988723", "https://github.com/node-opcua/node-opcua/commit/33ca3bab4ab781392a2f8d8f5a14de9a0aa0e410", "https://github.com/node-opcua/node-opcua/commit/dbcb5d5191118c22ee9c89332a94b94e6553d76b"], "fixes": ["2.74.0"], "products": [{"name": "node-opcua", "path": "vulns/npm/node-opcua", "ecosystem": "npm"}]}, {"id": "CVE-2022-25231", "noindex": false, "published": "2022-08-23T05:05:45.808Z", "modified": "2024-09-16T23:46:37.049Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P", "severity": "high", "epss": 0.01321, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2022-25231", "title": "Denial of Service (DoS)", "description": "The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) by sending a specifically crafted OPC UA message with a special OPC UA NodeID, when the requested memory allocation exceeds the v8’s memory limit.", "references": ["https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988724", "https://github.com/node-opcua/node-opcua/commit/7b5044b3f5866fbedc3efabd05e407352c07bd2f", "https://github.com/node-opcua/node-opcua/pull/1182"], "fixes": ["2.74.0"], "products": [{"name": "node-opcua", "path": "vulns/npm/node-opcua", "ecosystem": "npm"}]}], "total": 6, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "node-opcua", "path": "vulns/npm/node-opcua", "ecosystem": "npm"}], "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": "2026-09-16T18:34:50.941Z", "early_advisories": [], "license": "Puedes utilizar libremente la selección de PatchFirst y nuestras aportaciones (prioridades, alertas tempranas, textos, resúmenes y agregados) para tus propios fines, incluido el uso interno de tu empresa. La reventa, la distribución comercial y la creación masiva de réplicas de esta selección o de estas aportaciones requieren un acuerdo escrito con el operador. Siempre que uses o publiques la selección o nuestras aportaciones, cita a PatchFirst (https://patchfirst.dev/vulns/) con este enlace a la página del flujo de tu región. Los registros originales de fuentes abiertas siguen sujetos a sus respectivas licencias y condiciones. Estas condiciones no limitan tus derechos sobre los datos originales, que puedes obtener directamente de esas fuentes.", "terms_url": "https://patchfirst.dev/es/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "PatchFirst selecciona, normaliza y combina los registros; se pueden añadir resúmenes y traducciones. Las noticias incluyen un enlace a la fuente original en cada entrada.", "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": "Las licencias de las bases originales varían; consulta el catálogo de fuentes."}, {"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": "Puntuaciones públicas gratuitas; se solicita atribución (FIRST EPSS, puntuaciones generadas por 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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