{"id":"CVE-2026-26317","aliases":["EUVD-2026-8433","GHSA-3fqr-4cg8-h96q"],"status":"published","title":"OpenClaw affected by cross-site request forgery (CSRF) through loopback browser mutation endpoints","description":"OpenClaw is a personal AI assistant. Prior to 2026.2.14, browser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins. A malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context. Starting in version 2026.2.14, mutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`). Other mitigations include enabling browser control auth (token/password) and avoid running with auth disabled.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00164,"percentile":0.05672,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2026-02-18T00:53:59Z","modified":"2026-10-28T02:30:59Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.2.14"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.2.14"}]}]},{"source":"ghsa","ecosystem":"npm","package":"clawdbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.1.24-3"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.2.14"}]}]},{"source":"osv","ecosystem":"npm","package":"clawdbot","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2026.1.24-3"}]}]}],"products":[{"vendor":"clawdbot","product":"clawdbot"},{"vendor":"openclaw","product":"clawdbot"},{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-3fqr-4cg8-h96q","tags":["x_refsource_CONFIRM","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/b566b09f81e2b704bf9398d8d97d5f7a90aa94c3","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.2.14","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26317","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3fqr-4cg8-h96q"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26317.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-26317","title":"OpenClaw affected by cross-site request forgery (CSRF) through loopback browser mutation endpoints","description":"OpenClaw is a personal AI assistant. Prior to 2026.2.14, browser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins. A malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context. Starting in version 2026.2.14, mutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`). Other mitigations include enabling browser control auth (token/password) and avoid running with auth disabled.","status":"published","published":"2026-02-19T21:34:27.786Z","modified":"2026-02-20T15:41:39.603Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-8433","description":"OpenClaw is a personal AI assistant. Prior to 2026.2.14, browser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins. A malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context. Starting in version 2026.2.14, mutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`). Other mitigations include enabling browser control auth (token/password) and avoid running with auth disabled.","status":"published","published":"2026-02-19T21:34:27Z","modified":"2026-02-20T15:41:39Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T19:48:37.056368Z"}],"ghsa":[{"id":"GHSA-3fqr-4cg8-h96q","title":"OpenClaw affected by cross-site request forgery (CSRF) through loopback browser mutation endpoints","description":"## Summary\nBrowser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins.\n\n## Impact\nA malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context.\n\n## Affected Packages / Versions\n- openclaw (npm): \u003c= 2026.2.13\n- clawdbot (npm): \u003c= 2026.1.24-3\n\n## Details\nThe browser control servers bind to loopback but exposed mutating HTTP endpoints without a CSRF-style guard. Browsers may send cross-origin requests to loopback addresses; without explicit validation, state-changing operations could be triggered from a non-loopback Origin/Referer.\n\n## Fix\nMutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`).\n\n## Fix Commit(s)\n- openclaw/openclaw: b566b09f81e2b704bf9398d8d97d5f7a90aa94c3\n\n## Workarounds / Mitigations\n- Enable browser control auth (token/password) and avoid running with auth disabled.\n- Upgrade to a release that includes the fix.\n\n## Credits\n- Reporter: @vincentkoc\n\n## Release Process Note\n`patched_versions` is set to the planned next release version. Once that npm release is published, the advisory should be ready to publish with no further edits.","status":"published","published":"2026-02-18T00:53:59Z","modified":"2026-02-20T16:46:05Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:39:26.881079Z"}],"nvd":[{"id":"CVE-2026-26317","description":"OpenClaw is a personal AI assistant. Prior to 2026.2.14, browser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins. A malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context. Starting in version 2026.2.14, mutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`). Other mitigations include enabling browser control auth (token/password) and avoid running with auth disabled.","status":"published","published":"2026-02-19T22:16:47.27Z","modified":"2026-06-17T10:26:04.873Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:12:06.274729Z"}],"osv":[{"id":"CVE-2026-26317","title":"OpenClaw affected by cross-site request forgery (CSRF) through loopback browser mutation endpoints","description":"OpenClaw is a personal AI assistant. Prior to 2026.2.14, browser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins. A malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context. Starting in version 2026.2.14, mutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`). Other mitigations include enabling browser control auth (token/password) and avoid running with auth disabled.","status":"published","published":"2026-02-19T21:34:27.786Z","modified":"2026-10-28T02:30:59.288961432Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:44:59.80315Z"},{"id":"GHSA-3fqr-4cg8-h96q","title":"OpenClaw affected by cross-site request forgery (CSRF) through loopback browser mutation endpoints","description":"## Summary\nBrowser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins.\n\n## Impact\nA malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context.\n\n## Affected Packages / Versions\n- openclaw (npm): \u003c= 2026.2.13\n- clawdbot (npm): \u003c= 2026.1.24-3\n\n## Details\nThe browser control servers bind to loopback but exposed mutating HTTP endpoints without a CSRF-style guard. Browsers may send cross-origin requests to loopback addresses; without explicit validation, state-changing operations could be triggered from a non-loopback Origin/Referer.\n\n## Fix\nMutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`).\n\n## Fix Commit(s)\n- openclaw/openclaw: b566b09f81e2b704bf9398d8d97d5f7a90aa94c3\n\n## Workarounds / Mitigations\n- Enable browser control auth (token/password) and avoid running with auth disabled.\n- Upgrade to a release that includes the fix.\n\n## Credits\n- Reporter: @vincentkoc\n\n## Release Process Note\n`patched_versions` is set to the planned next release version. Once that npm release is published, the advisory should be ready to publish with no further edits.","status":"published","published":"2026-02-18T00:53:59Z","modified":"2026-02-20T16:52:03.831109Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:35.747385Z"}]}}