Improper access control in OpenClaw - #VU125244
Published: April 8, 2026
Vulnerability identifier: #VU125244
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-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass webhook replay protection.
The vulnerability exists due to improper access control in the Zalo webhook replay cache when processing authenticated sibling-target delivery paths. A remote user can reuse a messageId across targets to bypass webhook replay protection.
Affected software
OpenClaw
Remediation
Install security update from vendor's website.
OpenClaw - update to 2026.3.31