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.

Score
CVSS 3.0 7.4 High
Status
Analyzed - zdi-disclosures@trendmicro.com
Published
2026-04-11
Last modified
2026-04-14
Weaknesses
CWE-291

Affected products

References