{"id":"CVE-2026-44997","aliases":["GHSA-q3jj-46pq-826r"],"url":"https://o3.security/vulnerability/CVE-2026-44997","summary":"OpenClaw < 2026.4.22 - Security Envelope Constraint Bypass in ACP Child Sessions","details":"## Summary\nACP child sessions inherit subagent security envelope constraints.\n\n## Affected Packages / Versions\n- Package: openclaw (npm)\n- Affected versions: <= 2026.4.21\n- Fixed version: 2026.4.22\n\n## Impact\nA 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.\n\n## Fix\nACP 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.\n\n## Fix Commit(s)\n- 31160dc069b7cc5d833b39c53736a41ad3befda2\n\n## Verification\n- The fix commit is contained in the public v2026.4.22 tag.\n- openclaw@2026.4.22 is published on npm and the compiled package contains the fix.\n- Focused regression coverage for this path passed before publication.\n\nOpenClaw thanks @zsxsoft, @qclawer, and @KeenSecurityLab for reporting.","published":"2026-05-11T16:46:36.591Z","modified":"2026-08-17T03:55:02.524034101Z","cvss":null,"epss":{"score":0.00222,"percentile":0.12501,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.4.22"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/31160dc069b7cc5d833b39c53736a41ad3befda2","label":"openclaw/openclaw@31160dc"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44997.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-q3jj-46pq-826r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44997"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-security-envelope-constraint-bypass-in-acp-child-sessions"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/31160dc069b7cc5d833b39c53736a41ad3befda2"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T03:55:02.524034101Z"}}