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GHSA-q3jj-46pq-826r
No affected components available
Summary
ACP child sessions inherit subagent security envelope constraints.
Affected Packages / Versions
- Package: openclaw (npm)
- Affected versions: <= 2026.4.21
- Fixed version: 2026.4.22
Impact
A restricted subagent spawning an ACP child session could fail to carry forward subagent-only constraints such as depth, child-count limits, control scope, or target-agent restrictions.
Fix
ACP spawn now resolves and persists child subagent envelope fields, enforces maximum depth and active-child caps, and applies the inherited control scope to child ACP sessions.
Fix Commit(s)
- 31160dc069b7cc5d833b39c53736a41ad3befda2
Verification
- The fix commit is contained in the public v2026.4.22 tag.
- openclaw@2026.4.22 is published on npm and the compiled package contains the fix.
- Focused regression coverage for this path passed before publication.
OpenClaw thanks @zsxsoft, @qclawer, and @KeenSecurityLab for reporting.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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