GHSA-qx8j-g322-qj6m
OpenClaw: `fetchWithSsrFGuard` replays unsafe request bodies across cross-origin redirects
Packages
Details
As written in the advisory (Markdown source, shown as plain text).
## Impact
`fetchWithSsrFGuard` replays unsafe request bodies across cross-origin redirects.
A guarded fetch could resend unsafe request bodies or headers when following cross-origin redirects.
OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.
## Affected Packages / Versions
- Package: `openclaw` (npm)
- Affected versions: `<2026.3.31`
- Patched versions: `2026.4.8`
## Fix
The issue was fixed on `main` and is available in the patched npm version listed above. The verified fixed tree is commit `d7c3210cd6f5fdfdc1beff4c9541673e814354d5`.
## Verification
The fix was re-checked against `main` before publication, including targeted regression tests for the affected security boundary.
## Credits
Thanks @BG0ECV for reporting.
References
External links from the advisory. They lead to third-party sites.
- 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