CVE-2026-35634
OpenClaw < 2026.3.23 - Authentication Bypass via Local-Direct Requests in Canvas Gateway
CVSS Score
5.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-288 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Apr 9, 2026 |
| Last Updated | Apr 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
OpenClaw / OpenClaw
0 < 2026.3.23
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-6mqc-jqh6-x8fc github.com: https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 github.com: https://github.com/openclaw/openclaw/commit/d5dc6b6573ae489bc7e5651090f4767b93537c9e vulncheck.com: https://www.vulncheck.com/advisories/openclaw-authentication-bypass-via-local-direct-requests-in-canvas-gateway
Credits
🔍 smaeljaish771