{"id":"GHSA-474h-prjg-mmw3","aliases":[],"status":"published","title":"OpenClaw: Sandboxed sessions_spawn(runtime=\"acp\") bypassed sandbox inheritance and allowed host ACP initialization","description":"### Summary\nSandboxed `sessions_spawn(runtime=\"acp\")` could bypass sandbox inheritance and initialize host-side ACP runtime. The fix now fail-closes ACP spawn from sandboxed requester sessions and rejects `sandbox=\"require\"` for `runtime=\"acp\"`.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version at triage time: `2026.3.1` (March 2, 2026)\n- Vulnerable range: `\u003c=2026.3.1`\n- Patched release: `2026.3.2` (released)\n\n### Technical Details\n- Root cause: `runtime=\"subagent\"` enforced sandbox inheritance, while `runtime=\"acp\"` did not enforce equivalent sandbox/runtime checks.\n- Security impact: sandbox-boundary bypass into host-side ACP initialization.\n- Fixed behavior:\n  - deny ACP spawn when requester runtime is sandboxed\n  - deny `sessions_spawn` with `runtime=\"acp\", sandbox=\"require\"`\n  - align sandboxed prompt guidance to avoid advertising blocked ACP paths\n\n### Fix Commit(s)\n- `ac11f0af731d41743ba02d8595f4d0fe747336e3`\n- `c703aa0fe92df9fb71cf254fc46991e05fba2114`","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269"],"published":"2026-03-03T21:31:57Z","modified":"2026-03-04T15:11:35Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.3.1"},{"fixed":"2026.3.2"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.2"}]}]}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-474h-prjg-mmw3","tags":["web"]},{"url":"https://github.com/openclaw/openclaw/commit/ac11f0af731d41743ba02d8595f4d0fe747336e3","tags":["web"]},{"url":"https://github.com/openclaw/openclaw/commit/c703aa0fe92df9fb71cf254fc46991e05fba2114","tags":["web"]},{"url":"https://github.com/advisories/GHSA-474h-prjg-mmw3"},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-474h-prjg-mmw3","title":"OpenClaw: Sandboxed sessions_spawn(runtime=\"acp\") bypassed sandbox inheritance and allowed host ACP initialization","description":"### Summary\nSandboxed `sessions_spawn(runtime=\"acp\")` could bypass sandbox inheritance and initialize host-side ACP runtime. The fix now fail-closes ACP spawn from sandboxed requester sessions and rejects `sandbox=\"require\"` for `runtime=\"acp\"`.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version at triage time: `2026.3.1` (March 2, 2026)\n- Vulnerable range: `\u003c=2026.3.1`\n- Patched release: `2026.3.2` (released)\n\n### Technical Details\n- Root cause: `runtime=\"subagent\"` enforced sandbox inheritance, while `runtime=\"acp\"` did not enforce equivalent sandbox/runtime checks.\n- Security impact: sandbox-boundary bypass into host-side ACP initialization.\n- Fixed behavior:\n  - deny ACP spawn when requester runtime is sandboxed\n  - deny `sessions_spawn` with `runtime=\"acp\", sandbox=\"require\"`\n  - align sandboxed prompt guidance to avoid advertising blocked ACP paths\n\n### Fix Commit(s)\n- `ac11f0af731d41743ba02d8595f4d0fe747336e3`\n- `c703aa0fe92df9fb71cf254fc46991e05fba2114`","status":"published","published":"2026-03-03T21:31:57Z","modified":"2026-03-03T21:31:58Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:39:30.031684Z"}],"osv":[{"id":"GHSA-474h-prjg-mmw3","title":"OpenClaw: Sandboxed sessions_spawn(runtime=\"acp\") bypassed sandbox inheritance and allowed host ACP initialization","description":"### Summary\nSandboxed `sessions_spawn(runtime=\"acp\")` could bypass sandbox inheritance and initialize host-side ACP runtime. The fix now fail-closes ACP spawn from sandboxed requester sessions and rejects `sandbox=\"require\"` for `runtime=\"acp\"`.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version at triage time: `2026.3.1` (March 2, 2026)\n- Vulnerable range: `\u003c=2026.3.1`\n- Patched release: `2026.3.2` (released)\n\n### Technical Details\n- Root cause: `runtime=\"subagent\"` enforced sandbox inheritance, while `runtime=\"acp\"` did not enforce equivalent sandbox/runtime checks.\n- Security impact: sandbox-boundary bypass into host-side ACP initialization.\n- Fixed behavior:\n  - deny ACP spawn when requester runtime is sandboxed\n  - deny `sessions_spawn` with `runtime=\"acp\", sandbox=\"require\"`\n  - align sandboxed prompt guidance to avoid advertising blocked ACP paths\n\n### Fix Commit(s)\n- `ac11f0af731d41743ba02d8595f4d0fe747336e3`\n- `c703aa0fe92df9fb71cf254fc46991e05fba2114`","status":"published","published":"2026-03-03T21:31:57Z","modified":"2026-03-04T15:11:35.77709Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:46:36.782754Z"}]}}