Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.23 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dPatch
- https://github.com/openclaw/openclaw/commit/d5dc6b6573ae489bc7e5651090f4767b9353Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-6mqc-jqh6-x8fcVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-authentication-bypass-via-local-diThird Party Advisory
FAQ
What is CVE-2026-35634?
CVE-2026-35634 is a vulnerability with a CVSS score of 5.1 (MEDIUM). OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer to...
How severe is CVE-2026-35634?
CVE-2026-35634 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-35634?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.