Improper access control in OpenClaw - #VU126833
Published: April 22, 2026
Vulnerability identifier: #VU126833
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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 attacker to bypass webhook routing isolation.
The vulnerability exists due to improper access control in hook mapping sessionKey handling when rendering templated hook mapping session keys. A remote attacker can influence a template-rendered session key to bypass webhook routing isolation.
This issue does not grant host execution by itself.
Affected software
OpenClaw
Remediation
Install security update from vendor's website.
OpenClaw - update to 2026.4.20