Improper access control in OpenClaw - #VU127183
Published: April 23, 2026
Vulnerability identifier: #VU127183
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-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass subagent security envelope constraints.
The vulnerability exists due to improper access control in ACP child session handling when spawning an ACP child session from a restricted subagent. A remote user can spawn a child session to bypass subagent security envelope constraints.
The issue affects subagent-only constraints such as depth, child-count limits, control scope, and target-agent restrictions.
Affected software
OpenClaw
Remediation
Install security update from vendor's website.
OpenClaw - update to 2026.4.22