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CVE-2026-35634

MEDIUM

5.1

Description

OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer tokens or canvas capabilities. Attackers can send unauthenticated loopback HTTP and WebSocket requests to Canvas routes to bypass authentication and gain unauthorized access.

Details CVE

Score CVSS v3.15.1

SeveriteMEDIUM

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

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/9/2026

Derniere modification4/16/2026

Sourcenvd

Observations honeypot0

Produits affectes

openclaw:openclaw

Faiblesses (CWE)

CWE-288

References

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

https://github.com/openclaw/openclaw/commit/d5dc6b6573ae489bc7e5651090f4767b93537c9e(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-6mqc-jqh6-x8fc(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-authentication-bypass-via-local-direct-requests-in-canvas-gateway(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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