CVE-2026-3690 HIGH

CVE-2026-3690: OpenClaw Canvas Authentication Bypass Vulnerability

Vendor Openclaw
Product OpenClaw
Weakness CWE-291
Published April 11, 2026
Last update April 14, 2026
View on NVD All CVEs

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 11, 2026 CVE published
April 14, 2026 Record updated