CVE-2026-35634 OpenClaw < 2026.3.23 - Authentication Bypass via Local-Direct Requests in Canvas Gateway

What is CVE-2026-35634?

CVE-2026-35634 is a medium-severity authentication bypass vulnerability in Openclaw Openclaw, published on 9 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-288

Which versions are affected by CVE-2026-35634?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

Products include Openclaw Openclaw.

How do I fix CVE-2026-35634?

Upgrade openclaw to 2026.3.23 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-35634 being exploited?

There is no known exploitation of CVE-2026-35634 in the wild and no public exploit code.

Other vulnerabilities in Openclaw Openclaw

• CVE-2026-28363 Security feature bypass in OpenClaw Critical 9.9
• CVE-2026-30741 Code injection in n/a Critical 9.8
• CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval Critical 9.4
• CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate Critical 9.4
• CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners Critical 9.4

All Openclaw Openclaw vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6mqc-jqh6-x8fc, MINI-cqpc-6xjg-9359.