CVE-2026-40037

MEDIUM

6.5

Description

OpenClaw before 2026.3.31 (patched in 2026.4.8) contains a request body replay vulnerability in fetchWithSsrFGuard that allows unsafe request bodies to be resent across cross-origin redirects. Attackers can exploit this by triggering redirects to exfiltrate sensitive request data or headers to unintended origins.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie4/8/2026

Derniere modification4/8/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-601

References

https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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