{"id":"GHSA-q3jj-46pq-826r","summary":"OpenClaw's ACP child sessions inherit subagent security envelope constraints","details":"## Summary\nACP child sessions inherit subagent security envelope constraints.\n\n## Affected Packages / Versions\n- Package: openclaw (npm)\n- Affected versions: \u003c= 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.","aliases":["CVE-2026-44997"],"modified":"2026-05-19T16:11:27.417037Z","published":"2026-05-04T20:21:49Z","database_specific":{"cwe_ids":["CWE-277"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-05-04T20:21:49Z","nvd_published_at":null},"references":[{"type":"WEB","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":"WEB","url":"https://github.com/openclaw/openclaw/commit/31160dc069b7cc5d833b39c53736a41ad3befda2"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openclaw-security-envelope-constraint-bypass-in-acp-child-sessions"}],"affected":[{"package":{"name":"openclaw","ecosystem":"npm","purl":"pkg:npm/openclaw"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.4.22"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-q3jj-46pq-826r/GHSA-q3jj-46pq-826r.json","last_known_affected_version_range":"\u003c= 2026.4.21"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}