Improper access control in OpenClaw - CVE-2026-41362
Published: April 30, 2026
Vulnerability identifier: #VU128607
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41362
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper access control in the Zalo webhook replay-dedupe cache when handling authenticated webhook events in multi-account gateway deployments. A remote user can send a replay on one authenticated webhook path to suppress a legitimate event on another account to cause a denial of service.
This issue affects multi-account deployments where authenticated webhook targets share the same gateway, and it does not provide cross-account authentication or data access.
Affected software
OpenClaw
How to mitigate CVE-2026-41362
Install security update from vendor's website.
OpenClaw - update to 2026.3.31