Improper access control in OpenClaw - #VU132730
Published: May 29, 2026
Vulnerability identifier: #VU132730
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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 bypass channel policy checks.
The vulnerability exists due to improper access control in Mattermost handlers when processing a Mattermost event with missing channel type metadata. A remote user can send a specially crafted event to bypass channel policy checks.
Only instances with the affected feature enabled and reachable are vulnerable.
Remediation
Install security update from vendor's website.