Improper Authorization in OpenClaw - #VU132711
Published: May 29, 2026
Vulnerability identifier: #VU132711
CSH Severity: Low
CVSS v4: 5.3 [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]
CVE-ID: N/A
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to trigger unintended agent processing.
The vulnerability exists due to improper authorization in the Slack reaction event handling feature when processing Slack reaction events delivered to the configured app. A remote user can send or cause a reaction event to be delivered to the app to trigger unintended agent processing.
Only deployments with the affected feature enabled and reachable are vulnerable.
Affected software
OpenClaw
Remediation
Install security update from vendor's website.
OpenClaw - update to 2026.5.12