Authentication Bypass by Spoofing in OpenClaw - #VU132731
Published: May 29, 2026
Vulnerability identifier: #VU132731
CSH Severity: Low
CVSS v4: 5.3 [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]
CVE-ID: N/A
CWE-ID: CWE-290
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to an agent intended for another Slack identity.
The vulnerability exists due to authentication bypass by spoofing in the Slack allowFrom feature when matching policy entries against mutable display name metadata. A remote user can change Slack display name metadata to gain access to an agent intended for another Slack identity.
Only configurations with the affected feature enabled and reachable are vulnerable.
Affected software
OpenClaw
Remediation
Install security update from vendor's website.
OpenClaw - update to 2026.5.3