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.
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History
Fri, 10 Apr 2026 13:15:00 +0000
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ssvc
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Thu, 09 Apr 2026 21:45:00 +0000
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| 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. | |
| Title | OpenClaw < 2026.3.23 - Authentication Bypass via Local-Direct Requests in Canvas Gateway | |
| First Time appeared |
Openclaw
Openclaw openclaw |
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| Weaknesses | CWE-288 | |
| CPEs | cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Openclaw
Openclaw openclaw |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-04-09T21:27:04.328Z
Updated: 2026-04-10T12:30:19.947Z
Reserved: 2026-04-04T12:29:42.738Z
Link: CVE-2026-35634
Updated: 2026-04-10T12:30:15.753Z
Status : Received
Published: 2026-04-09T22:16:32.380
Modified: 2026-04-09T22:16:32.380
Link: CVE-2026-35634
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