{"id":"CVE-2026-45002","aliases":["EUVD-2026-29147","GHSA-2xcp-x87w-q377","GHSA-9j32-3m66-mc4m"],"status":"published","title":"OpenClaw \u003c 2026.4.20 - Hook Session-Key Bypass via Template Mapping","description":"OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0028,"percentile":0.20621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639","CWE-863"],"published":"2026-04-25T23:45:11Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.4.20"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.4.20"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.4.20"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-2xcp-x87w-q377","tags":["vendor-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/5275d008ed33203dba3f98e969ad683a65c416c3","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-hook-session-key-bypass-via-template-mapping","tags":["third-party-advisory","Patch","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45002","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2xcp-x87w-q377"},{"url":"https://github.com/advisories/GHSA-9j32-3m66-mc4m"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45002.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-45002","title":"OpenClaw \u003c 2026.4.20 - Hook Session-Key Bypass via Template Mapping","description":"OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.","status":"published","published":"2026-05-11T16:46:40.623Z","modified":"2026-05-11T19:04:58.581Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-29147","description":"OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.","status":"published","published":"2026-05-11T16:46:40Z","modified":"2026-05-11T19:04:58Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:05:06.815401Z"}],"ghsa":[{"id":"GHSA-2xcp-x87w-q377","title":"OpenClaw: Hook mapping templates could bypass hook session-key opt-in","description":"## Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c 2026.4.20`\n- Patched version: `2026.4.20`\n\n## Impact\n\nTemplated hook mapping `sessionKey` values were treated differently from request-supplied session keys. A hook mapping could render an externally influenced session key even when `hooks.allowRequestSessionKey` was disabled, bypassing the intended routing opt-in for hook callers.\n\nThis affects webhook routing isolation. It does not grant host execution by itself. Severity is medium.\n\n## Fix\n\nTemplate-rendered mapping session keys are now treated as externally supplied routing input and require `hooks.allowRequestSessionKey=true` plus the existing prefix policy checks.\n\nFix commit:\n\n- `5275d008ed33203dba3f98e969ad683a65c416c3`\n\n## Release\n\nFixed in OpenClaw `2026.4.20`.","status":"published","published":"2026-04-25T23:45:11Z","modified":"2026-05-19T15:56:34Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:40:12.430932Z"},{"id":"GHSA-9j32-3m66-mc4m","title":"Duplicate Advisory: OpenClaw: Hook mapping templates could bypass hook session-key opt-in","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-2xcp-x87w-q377. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.","status":"withdrawn","published":"2026-05-11T18:31:47Z","modified":"2026-05-18T15:29:29Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:40:11.298154Z"}],"nvd":[{"id":"CVE-2026-45002","description":"OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.","status":"published","published":"2026-05-11T18:16:40.383Z","modified":"2026-06-17T10:51:35.293Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:18.239974Z"}],"osv":[{"id":"CVE-2026-45002","title":"OpenClaw \u003c 2026.4.20 - Hook Session-Key Bypass via Template Mapping","description":"OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.","status":"published","published":"2026-05-11T16:46:40.623Z","modified":"2026-10-28T02:30:43.806511464Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:05.172514Z"},{"id":"GHSA-2xcp-x87w-q377","title":"OpenClaw: Hook mapping templates could bypass hook session-key opt-in","description":"## Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c 2026.4.20`\n- Patched version: `2026.4.20`\n\n## Impact\n\nTemplated hook mapping `sessionKey` values were treated differently from request-supplied session keys. A hook mapping could render an externally influenced session key even when `hooks.allowRequestSessionKey` was disabled, bypassing the intended routing opt-in for hook callers.\n\nThis affects webhook routing isolation. It does not grant host execution by itself. Severity is medium.\n\n## Fix\n\nTemplate-rendered mapping session keys are now treated as externally supplied routing input and require `hooks.allowRequestSessionKey=true` plus the existing prefix policy checks.\n\nFix commit:\n\n- `5275d008ed33203dba3f98e969ad683a65c416c3`\n\n## Release\n\nFixed in OpenClaw `2026.4.20`.","status":"published","published":"2026-04-25T23:45:11Z","modified":"2026-05-19T16:11:27.635255Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:46:35.050232Z"},{"id":"GHSA-9j32-3m66-mc4m","title":"Duplicate Advisory: OpenClaw: Hook mapping templates could bypass hook session-key opt-in","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-2xcp-x87w-q377. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.","status":"withdrawn","published":"2026-05-11T18:31:47Z","modified":"2026-05-18T15:36:51.173506Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:43.875515Z"}]}}