Vulnerability Description
OpenClaw Canvas Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of OpenClaw. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the the authentication function for canvas endpoints. The issue results from improper implementation of authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-29311.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.2.19 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-vvjh-f6p9-5vcfThird Party AdvisoryExploit
- https://www.zerodayinitiative.com/advisories/ZDI-26-228/Third Party AdvisoryExploit
FAQ
What is CVE-2026-3690?
CVE-2026-3690 is a vulnerability with a CVSS score of 7.4 (HIGH). OpenClaw Canvas Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of OpenClaw. Authentication is not required to exploi...
How severe is CVE-2026-3690?
CVE-2026-3690 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3690?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.