{"id":"GHSA-qx8j-g322-qj6m","revision":"48061e839f414647afa55a5d48d4d92c","records":[{"revision":"48061e839f414647afa55a5d48d4d92c","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-qx8j-g322-qj6m","aliases":["CVE-2026-40037"],"title":"OpenClaw: `fetchWithSsrFGuard` replays unsafe request bodies across cross-origin redirects","description":"## Impact\n\n`fetchWithSsrFGuard` replays unsafe request bodies across cross-origin redirects.\n\nA guarded fetch could resend unsafe request bodies or headers when following cross-origin redirects.\n\nOpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.\n\n## Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected versions: `<2026.3.31`\n- Patched versions: `2026.4.8`\n\n## Fix\n\nThe issue was fixed on `main` and is available in the patched npm version listed above. The verified fixed tree is commit `d7c3210cd6f5fdfdc1beff4c9541673e814354d5`.\n\n## Verification\n\nThe fix was re-checked against `main` before publication, including targeted regression tests for the affected security boundary.\n\n## Credits\n\nThanks @BG0ECV for reporting.","state":0,"publishedAt":"2026-04-09T17:37:08+00:00","modifiedAt":"2026-04-10T20:42:18.05499+00:00","affected":[{"ecosystem":"npm","name":"openclaw","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2026.4.8"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m","https://nvd.nist.gov/vuln/detail/CVE-2026-40037","https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5","https://github.com/openclaw/openclaw","https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects"],"sourceUrl":"https://github.com/advisories/GHSA-qx8j-g322-qj6m","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-qx8j-g322-qj6m","identifiers":["GHSA-qx8j-g322-qj6m","CVE-2026-40037"]},"retained":false,"historicalAffected":[]}],"coverage":[]}