CVE-2026-3690

High

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.

SeverityHigh

CVSS7.4

Exploit probability—

ProductOpenclaw

PublishedApr 11, 2026

First seenApr 11, 2026

Weakness typeCWE-291CWE-291

How to fix

Update

openclaw openclaw2026.2.19 or later
openclaw2026.2.19 or later

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-vvjh-f6p9-5vcf

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.2.19	2026.2.19
openclawnpm	v < 2026.2.19	2026.2.19

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