Improper access control in OpenClaw - #VU132772
Published: May 29, 2026
Vulnerability identifier: #VU132772
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to invoke slash command behavior after token revocation.
The vulnerability exists due to improper access control in the Mattermost slash token validation logic when processing requests during the monitor refresh window. A remote user can continue using an old Mattermost slash token to invoke slash command behavior after token revocation.
Only instances with the affected feature enabled and reachable are vulnerable.
Remediation
Install security update from vendor's website.