CVE-2026-41405

HIGH

7.5

Description

OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/28/2026

Derniere modification4/30/2026

Sourcenvd

Observations honeypot0

Produits affectes

openclaw:openclaw

Faiblesses (CWE)

CWE-408

References

https://github.com/openclaw/openclaw/commit/3834d47099dd13c8244ed6de8b9ea9855c553623(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-p464-m8x6-vhv8(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-resource-exhaustion-via-unauthenticated-ms-teams-webhook-body-parsing(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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