{"cve":"CVE-2026-27646","nvd":{"published":"2026-03-23T22:16:25.660","modified":"2026-06-17T10:27:27.133","status":"Modified","description":"OpenClaw versions prior to 2026.3.7 contain a sandbox escape vulnerability in the /acp spawn command that allows authorized sandboxed sessions to initialize host-side ACP runtime. Attackers can bypass sandbox restrictions by invoking the /acp spawn slash-command to cross from sandboxed chat context into host-side ACP session initialization when ACP is enabled.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","score":5.8},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","score":6.1},"cwes":["CWE-863"],"references":["https://github.com/openclaw/openclaw/commit/61000b8e4ded919ca1a825d4700db4cb3fdc56e3","https://github.com/openclaw/openclaw/security/advisories/GHSA-9q36-67vc-rrwg","https://vulncheck.com/advisories/openclaw-mar-sandbox-escape-via-acp-spawn-command"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:26:19.218427112+00:00"},"epss":{"cve":"CVE-2026-27646","score":0.00108,"percentile":0.01172,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-9q36-67vc-rrwg","url":"https://osv.dev/vulnerability/GHSA-9q36-67vc-rrwg","summary":"OpenClaw: Sandboxed /acp spawn requests could initialize host ACP sessions","modified":"2026-03-30T13:49:34.874074Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":["<2026.3.7"],"fixed":["2026.3.7"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}