{"id":"CVE-2026-6734","aliases":["ALSA-2026:35841","ALSA-2026:35891","ALSA-2026:39868","CLSA-2026-1792478858","DEBIAN-CVE-2026-6734","EUVD-2026-37760","GHSA-hm92-r4w5-c3mj","GHSA-jr45-8vmc-qm54","GHSA-vmh5-mc38-953g","RHSA-2026:22380","RHSA-2026:22934","RHSA-2026:35841","RHSA-2026:35891","RHSA-2026:38236","RHSA-2026:39868","RHSA-2026:7378","RLSA-2026:35841","RLSA-2026:35891","RLSA-2026:39868","ROOT-APP-NPM-CVE-2026-6734","UBUNTU-CVE-2026-6734"],"status":"published","title":"undici vulnerable to cross-origin request routing via SOCKS5 proxy pool reuse","description":"Impact:\nWhen using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.\n\nThis causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.\n\nImpacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin.\n\nThis was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0.\n\nPatches:\nUpgrade to undici v7.26.0 or v8.2.0.\n\nWorkarounds:\nUse a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00345,"percentile":0.28262,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-346","CWE-940"],"published":"2026-04-21T10:09:52Z","modified":"2026-11-05T13:28:26Z","fixes":[{"ecosystem":"npm","package":"undici","fixed_in":["7.28.0","8.2.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:14","package":"node-undici","fixed_in":["8.5.0+dfsg+~cs3.2.0-1"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"undici","fixed_in":["7.24.6-aikido.4","7.24.6-aikido.1","7.24.6-aikido.2","7.24.5-aikido.1","7.25.0-aikido.1","7.26.0-aikido.1","7.24.5-aikido.2","7.26.0-aikido.2","7.25.0-aikido.2","7.24.6-aikido.3","7.26.0-aikido.3","7.25.0-aikido.3","7.24.5-aikido.3","7.24.5-aikido.4","7.25.0-aikido.4","7.24.6-aikido.5","7.24.6-aikido.6","7.25.0-aikido.5","7.25.0-aikido.6","7.25.0-aikido.7","7.24.6-aikido.7","7.28.0-aikido.1","7.28.0-aikido.2","7.28.0-aikido.3","7.28.0-aikido.4","7.28.0-aikido.5","7.28.0-aikido.6"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"@rootio/undici","fixed_in":["7.24.6-root.io.4","7.24.6-root.io.1","7.24.6-root.io.2","7.24.5-root.io.1","7.25.0-root.io.1","7.26.0-root.io.1","7.24.5-root.io.2","7.26.0-root.io.2","7.25.0-root.io.2","7.24.6-root.io.3","7.26.0-root.io.3","7.25.0-root.io.3","7.24.5-root.io.3","7.24.5-root.io.4","7.25.0-root.io.4","7.24.6-root.io.5","7.24.6-root.io.6","7.25.0-root.io.5","7.25.0-root.io.6","7.25.0-root.io.7","7.24.6-root.io.7","7.28.0-root.io.1","7.28.0-root.io.2","7.28.0-root.io.3","7.28.0-root.io.4","7.28.0-root.io.5","7.28.0-root.io.6"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"undici","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.23.0"},{"fixed":"7.28.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"undici","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.2.0"}]}]},{"source":"osv","ecosystem":"AlmaLinux:10","package":"nodejs24","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.el10_2"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:10","package":"nodejs24-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.el10_2"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:10","package":"nodejs24-docs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.el10_2"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:10","package":"nodejs24-full-i18n","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.el10_2"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:10","package":"nodejs24-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.el10_2"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:10","package":"nodejs24-npm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:11.16.0-1.24.18.0.1.el10_2"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.module_el9.8.0+277+61fc613e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.module_el9.8.0+277+61fc613e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs-docs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.module_el9.8.0+277+61fc613e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs-full-i18n","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.module_el9.8.0+277+61fc613e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:24.18.0-1.module_el9.8.0+277+61fc613e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs-nodemon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3-3.module_el9.7.0+209+ecf6523e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs-packaging","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.06-6.module_el9.7.0+209+ecf6523e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"nodejs-packaging-bundler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.06-6.module_el9.7.0+209+ecf6523e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"npm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:11.16.0-1.24.18.0.1.module_el9.8.0+277+61fc613e"}]}],"bundled":18},{"source":"osv","ecosystem":"AlmaLinux:9","package":"v8-13.6-devel","ranges":[{"type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734","title":"undici vulnerable to cross-origin request routing via SOCKS5 proxy pool reuse","description":"Impact:\nWhen using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.\n\nThis causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.\n\nImpacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin.\n\nThis was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0.\n\nPatches:\nUpgrade to undici v7.26.0 or v8.2.0.\n\nWorkarounds:\nUse a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.","status":"published","published":"2026-06-17T16:36:55.439Z","modified":"2026-09-10T12:05:09.009Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-346","CWE-940"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-37760","description":"Impact:\nWhen using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.\n\nThis causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.\n\nImpacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin.\n\nThis was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0.\n\nPatches:\nUpgrade to undici v7.26.0 or v8.2.0.\n\nWorkarounds:\nUse a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.","status":"published","published":"2026-06-17T16:36:55Z","modified":"2026-09-10T12:05:09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:25.275283Z"}],"ghsa":[{"id":"GHSA-hm92-r4w5-c3mj","title":"undici vulnerable to cross-origin request routing via SOCKS5 proxy pool reuse","description":"## Impact\n\nWhen using `Socks5ProxyAgent`, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.\n\nThis causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.\n\nImpacted users are applications that use `Socks5ProxyAgent` (directly or via `setGlobalDispatcher`) and make requests to more than one origin.\n\nThis was introduced in undici 7.23.0 via [#4385](https://github.com/nodejs/undici/pull/4385) and affects all versions through 8.1.0.\n\n## Patches\n\nUpgrade to undici v7.28.0 or v8.2.0\n\n## Workarounds\n\nUse a separate `Socks5ProxyAgent` instance per origin, or avoid using `Socks5ProxyAgent` with multiple origins.","status":"published","published":"2026-06-19T14:20:20Z","modified":"2026-06-19T14:20:20Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T14:40:30.53004Z"}],"nvd":[{"id":"CVE-2026-6734","description":"Impact:\nWhen using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.\n\nThis causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.\n\nImpacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin.\n\nThis was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0.\n\nPatches:\nUpgrade to undici v7.26.0 or v8.2.0.\n\nWorkarounds:\nUse a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.","status":"published","published":"2026-06-17T18:18:05.617Z","modified":"2026-09-10T13:20:30.103Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-346","CWE-940"],"updated_at":"2026-11-02T14:12:24.544761Z"}],"osv":[{"id":"CVE-2026-6734","title":"undici vulnerable to cross-origin request routing via SOCKS5 proxy pool reuse","description":"Impact:\nWhen using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.\n\nThis causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.\n\nImpacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin.\n\nThis was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0.\n\nPatches:\nUpgrade to undici v7.26.0 or v8.2.0.\n\nWorkarounds:\nUse a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.","status":"published","published":"2026-06-17T16:36:55.439Z","modified":"2026-10-28T02:30:47.24359164Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T15:45:14.46177Z"},{"id":"DEBIAN-CVE-2026-6734","description":"Impact: When using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.  This causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.  Impacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin.  This was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0.  Patches: Upgrade to undici v7.26.0 or v8.2.0.  Workarounds: Use a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.","status":"published","published":"2026-06-17T18:18:05.617Z","modified":"2026-10-01T03:03:38.720556622Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:01.68444Z"},{"id":"GHSA-hm92-r4w5-c3mj","title":"undici vulnerable to cross-origin request routing via SOCKS5 proxy pool reuse","description":"## Impact\n\nWhen using `Socks5ProxyAgent`, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination.\n\nThis causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP.\n\nImpacted users are applications that use `Socks5ProxyAgent` (directly or via `setGlobalDispatcher`) and make requests to more than one origin.\n\nThis was introduced in undici 7.23.0 via [#4385](https://github.com/nodejs/undici/pull/4385) and affects all versions through 8.1.0.\n\n## Patches\n\nUpgrade to undici v7.28.0 or v8.2.0\n\n## Workarounds\n\nUse a separate `Socks5ProxyAgent` instance per origin, or avoid using `Socks5ProxyAgent` with multiple origins.","status":"published","published":"2026-06-19T14:20:20Z","modified":"2026-09-10T03:50:49.787494313Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"RHSA-2026:22380","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-06-18T10:08:10Z","modified":"2026-10-20T10:06:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RHSA-2026:22934","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-06-18T10:08:21Z","modified":"2026-10-20T10:06:18Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RHSA-2026:35841","title":"Red Hat Security Advisory: nodejs24 security, bug fix, and enhancement update","status":"published","published":"2026-07-06T10:08:03Z","modified":"2026-10-20T10:07:47Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:19.963895Z"},{"id":"RHSA-2026:35891","title":"Red Hat Security Advisory: nodejs:24 security, bug fix, and enhancement update","status":"published","published":"2026-07-07T10:09:31Z","modified":"2026-10-20T10:07:50Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:19.963895Z"},{"id":"RHSA-2026:38236","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-07-13T10:07:29Z","modified":"2026-10-20T10:08:18Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:20.491441Z"},{"id":"RHSA-2026:39868","title":"Red Hat Security Advisory: nodejs:24 security, bug fix, and enhancement update","status":"published","published":"2026-07-16T10:10:37Z","modified":"2026-10-20T10:08:48Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:20.491441Z"},{"id":"RHSA-2026:7378","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-04-21T10:09:52Z","modified":"2026-10-20T10:15:20Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RLSA-2026:35841","title":"Important: nodejs24 security, bug fix, and enhancement update","description":"Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.\n\nSecurity Fix(es):\n\n* ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input (CVE-2026-42338)\n\n* undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames (CVE-2026-12151)\n\n* undici: Undici: Information disclosure due to improper cache-control header parsing (CVE-2026-9678)\n\n* undici: Undici: Response queue poisoning on reused keep-alive sockets can lead to incorrect response delivery. (CVE-2026-6733)\n\n* undici: undici: Weakening of cookie SameSite policy due to incorrect parsing of Set-Cookie header (CVE-2026-11525)\n\n* undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy (CVE-2026-9697)\n\n* undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing (CVE-2026-6734)\n\n* nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames (CVE-2026-48619)\n\n* nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling (CVE-2026-48930)\n\n* nodejs: Node.js: Unauthorized file metadata modification (CVE-2026-48935)\n\n* nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)\n\n* nodejs: Node.js: Certification validation bypass in TLS host verification (CVE-2026-48934)\n\n* Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency (CVE-2026-48928)\n\n* nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)\n\n* nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)\n\nBug Fix(es) and Enhancement(s):\n\n* nodejs24: Rebase to the latest Node.js 24 release [rhel-10.2.z] (JIRA:Rocky Linux-186582)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-07-10T12:05:34.876921Z","modified":"2026-07-10T12:30:06.124600114Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:25.804165Z"},{"id":"RLSA-2026:35891","title":"Important: nodejs:24 security, bug fix, and enhancement update","description":"Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. \n\nSecurity Fix(es):\n\n* ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input (CVE-2026-42338)\n\n* undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames (CVE-2026-12151)\n\n* undici: Undici: Information disclosure due to improper cache-control header parsing (CVE-2026-9678)\n\n* undici: Undici: Response queue poisoning on reused keep-alive sockets can lead to incorrect response delivery. (CVE-2026-6733)\n\n* undici: undici: Weakening of cookie SameSite policy due to incorrect parsing of Set-Cookie header (CVE-2026-11525)\n\n* undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy (CVE-2026-9697)\n\n* undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing (CVE-2026-6734)\n\n* nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames (CVE-2026-48619)\n\n* nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling (CVE-2026-48930)\n\n* nodejs: Node.js: Unauthorized file metadata modification (CVE-2026-48935)\n\n* nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)\n\n* nodejs: Node.js: Certification validation bypass in TLS host verification (CVE-2026-48934)\n\n* Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency (CVE-2026-48928)\n\n* nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)\n\n* nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)\n\nBug Fix(es) and Enhancement(s):\n\n* nodejs:24/nodejs: Rebase to the latest Node.js 24 release [rhel-9.8.z] (JIRA:Rocky Linux-186580)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-07-07T00:03:33.974198Z","modified":"2026-07-07T00:30:04.794795503Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:25.804165Z"},{"id":"RLSA-2026:39868","title":"Important: nodejs:24 security, bug fix, and enhancement update","description":"Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. \n\nSecurity Fix(es):\n\n* ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input (CVE-2026-42338)\n\n* undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames (CVE-2026-12151)\n\n* undici: Undici: Information disclosure due to improper cache-control header parsing (CVE-2026-9678)\n\n* undici: Undici: Response queue poisoning on reused keep-alive sockets can lead to incorrect response delivery. (CVE-2026-6733)\n\n* undici: undici: Weakening of cookie SameSite policy due to incorrect parsing of Set-Cookie header (CVE-2026-11525)\n\n* undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy (CVE-2026-9697)\n\n* undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing (CVE-2026-6734)\n\n* nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames (CVE-2026-48619)\n\n* nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling (CVE-2026-48930)\n\n* nodejs: Node.js: Unauthorized file metadata modification (CVE-2026-48935)\n\n* nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)\n\n* nodejs: Node.js: Certification validation bypass in TLS host verification (CVE-2026-48934)\n\n* Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency (CVE-2026-48928)\n\n* nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)\n\n* nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)\n\nBug Fix(es) and Enhancement(s):\n\n* nodejs:24/nodejs: Rebase to the latest Node.js 24 release [rhel-8] (JIRA:Rocky Linux-168744)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-07-16T00:01:09.519027Z","modified":"2026-07-16T00:30:05.037502511Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:26.111232Z"},{"id":"UBUNTU-CVE-2026-6734","description":"Impact: When using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless of the intended destination. This causes cross-origin request routing: credentials and request data intended for origin B are sent to origin A, responses from the wrong origin are trusted, and HTTPS requests may be silently downgraded to HTTP. Impacted users are applications that use Socks5ProxyAgent (directly or via setGlobalDispatcher) and make requests to more than one origin. This was introduced in undici 7.23.0 via PR #4385 and affects all versions through 8.1.0. Patches: Upgrade to undici v7.26.0 or v8.2.0. Workarounds: Use a separate Socks5ProxyAgent instance per origin, or avoid using Socks5ProxyAgent with multiple origins.","status":"published","published":"2026-06-17T18:18:00Z","modified":"2026-10-17T13:00:36.284932573Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:53.710209Z"},{"id":"ALSA-2026:35841","title":"Important: nodejs24 security, bug fix, and enhancement update","description":"Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.  \n\nSecurity Fix(es):  \n\n  * ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input (CVE-2026-42338)\n  * undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames (CVE-2026-12151)\n  * undici: Undici: Information disclosure due to improper cache-control header parsing (CVE-2026-9678)\n  * undici: Undici: Response queue poisoning on reused keep-alive sockets can lead to incorrect response delivery. (CVE-2026-6733)\n  * undici: undici: Weakening of cookie SameSite policy due to incorrect parsing of Set-Cookie header (CVE-2026-11525)\n  * undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy (CVE-2026-9697)\n  * undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing (CVE-2026-6734)\n  * nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames (CVE-2026-48619)\n  * nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling (CVE-2026-48930)\n  * nodejs: Node.js: Unauthorized file metadata modification (CVE-2026-48935)\n  * nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)\n  * nodejs: Node.js: Certification validation bypass in TLS host verification (CVE-2026-48934)\n  * Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency (CVE-2026-48928)\n  * nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)\n  * nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * nodejs24: Rebase to the latest Node.js 24 release [almalinux-10.2.z] (JIRA:AlmaLinux-186582)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-07-06T00:00:00Z","modified":"2026-10-29T11:42:18.963288109Z","updated_at":"2026-11-02T15:27:54.283654Z"},{"id":"ALSA-2026:35891","title":"Important: nodejs:24 security, bug fix, and enhancement update","description":"Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.   \n\nSecurity Fix(es):  \n\n  * ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input (CVE-2026-42338)\n  * undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames (CVE-2026-12151)\n  * undici: Undici: Information disclosure due to improper cache-control header parsing (CVE-2026-9678)\n  * undici: Undici: Response queue poisoning on reused keep-alive sockets can lead to incorrect response delivery. (CVE-2026-6733)\n  * undici: undici: Weakening of cookie SameSite policy due to incorrect parsing of Set-Cookie header (CVE-2026-11525)\n  * undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy (CVE-2026-9697)\n  * undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing (CVE-2026-6734)\n  * nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames (CVE-2026-48619)\n  * nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling (CVE-2026-48930)\n  * nodejs: Node.js: Unauthorized file metadata modification (CVE-2026-48935)\n  * nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)\n  * nodejs: Node.js: Certification validation bypass in TLS host verification (CVE-2026-48934)\n  * Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency (CVE-2026-48928)\n  * nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)\n  * nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * nodejs:24/nodejs: Rebase to the latest Node.js 24 release [almalinux-9.8.z] (JIRA:AlmaLinux-186580)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-07-06T00:00:00Z","modified":"2026-10-29T11:42:19.773455474Z","updated_at":"2026-11-02T15:27:54.283654Z"},{"id":"ALSA-2026:39868","title":"Important: nodejs:24 security, bug fix, and enhancement update","description":"Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.   \n\nSecurity Fix(es):  \n\n  * ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input (CVE-2026-42338)\n  * undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames (CVE-2026-12151)\n  * undici: Undici: Information disclosure due to improper cache-control header parsing (CVE-2026-9678)\n  * undici: Undici: Response queue poisoning on reused keep-alive sockets can lead to incorrect response delivery. (CVE-2026-6733)\n  * undici: undici: Weakening of cookie SameSite policy due to incorrect parsing of Set-Cookie header (CVE-2026-11525)\n  * undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy (CVE-2026-9697)\n  * undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing (CVE-2026-6734)\n  * nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames (CVE-2026-48619)\n  * nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling (CVE-2026-48930)\n  * nodejs: Node.js: Unauthorized file metadata modification (CVE-2026-48935)\n  * nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)\n  * nodejs: Node.js: Certification validation bypass in TLS host verification (CVE-2026-48934)\n  * Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency (CVE-2026-48928)\n  * nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)\n  * nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * nodejs:24/nodejs: Rebase to the latest Node.js 24 release [almalinux-8] (JIRA:AlmaLinux-168744)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-07-15T00:00:00Z","modified":"2026-10-29T11:12:10.353231758Z","updated_at":"2026-11-02T15:27:54.753319Z"},{"id":"CLSA-2026-1792478858","title":"TuxCare security update for undici (15 CVEs)","description":"TuxCare rebuilt undici to address 15 CVEs. Fixed in 7.24.4-tuxcare.2.","status":"published","published":"2026-10-20T06:47:38Z","modified":"2026-11-05T13:28:26.36826201Z","updated_at":"2026-11-05T16:37:45.64821Z"},{"id":"ROOT-APP-NPM-CVE-2026-6734","title":"CVE-2026-6734 in undici - Patched by Root","description":"Root has patched CVE-2026-6734 in the undici package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-11-05T10:47:57Z","modified":"2026-11-05T11:15:03.105482802Z","updated_at":"2026-11-05T13:30:49.23793Z"}]}}