CVE-2026-44997
OpenClaw < 2026.4.22 - Security Envelope Constraint Bypass in ACP Child Sessions
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
OpenClaw before 2026.4.22 contains a security envelope constraint bypass vulnerability allowing restricted subagents to spawn ACP child sessions that fail to inherit depth, child-count limits, control scope, or target-agent restrictions. Attackers can exploit this by spawning child sessions that bypass subagent-only constraints, potentially escalating privileges or accessing restricted resources.
| CWE | CWE-266 |
| Vendor | openclaw |
| Product | openclaw |
| Published | May 11, 2026 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for openclaw openclaw
Be the first to know when new medium vulnerabilities affecting openclaw openclaw are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
OpenClaw / OpenClaw
0 < 2026.4.22
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-q3jj-46pq-826r github.com: https://github.com/openclaw/openclaw/commit/31160dc069b7cc5d833b39c53736a41ad3befda2 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-security-envelope-constraint-bypass-in-acp-child-sessions
Credits
🔍 zsx (@zsxsoft) KeenSecurityLab