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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.

CVE Details

CVSS v3.1 Score5.1

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/9/2026

Last Modified4/16/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (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)

IOC Correlations

No correlations recorded

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