Improper access control in OpenClaw - CVE-2026-34503
Published: April 8, 2026
Vulnerability identifier: #VU125229
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-34503
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to retain access to an active WebSocket session after token revocation or device removal.
The vulnerability exists due to improper access control in src/gateway/server-methods/devices.ts and src/gateway/server.impl.ts when handling device removal or token revocation for existing WebSocket connections. A remote user can continue using an already-authenticated live session to retain access to an active WebSocket session after token revocation or device removal.
The session remains usable until it reconnects.
Affected software
OpenClaw
How to mitigate CVE-2026-34503
Install security update from vendor's website.
OpenClaw - update to 2026.3.28