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CVE-2026-35626

MEDIUM

5.3

Description

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation.

Details CVE

Score CVSS v3.15.3

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/9/2026

Derniere modification4/15/2026

Sourcenvd

Observations honeypot0

Produits affectes

openclaw:openclaw

Faiblesses (CWE)

CWE-405

References

https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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