CVE-2026-3690

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.

• CWE-291

• https://github.com/openclaw/openclaw/security/advisories/GHSA-vvjh-f6p9-5vcfExploit, Third Party Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-26-228/Exploit, Third Party Advisory

Published

Apr 11, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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