CVE-2026-35634

Medium

Description

OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer tokens or canvas capabilities. Attackers can send unauthenticated loopback HTTP and WebSocket requests to Canvas routes to bypass authentication and gain unauthorized access.

SeverityMedium

CVSS5.1

Exploit probability—

ProductOpenclaw

PublishedApr 9, 2026

First seenApr 9, 2026

Weakness typeCWE-288CWE-288

How to fix

Update

openclaw openclaw2026.3.23 or later
openclaw2026.3.23 or later

Patches

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-6mqc-jqh6-x8fc

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.3.23	2026.3.23
openclawnpm	v < 2026.3.23	2026.3.23

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