This advisory has been withdrawn because it is a duplicate of GHSA-6mqc-jqh6-x8fc. This link is maintained to preserve external references.
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_ids": [
"CWE-288"
],
"github_reviewed": true,
"github_reviewed_at": "2026-04-10T20:19:41Z",
"nvd_published_at": "2026-04-09T22:16:32Z",
"severity": "MODERATE"
}