Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.7 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/61000b8e4ded919ca1a825d4700db4cb3fdcPatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-9q36-67vc-rrwgVendor Advisory
- https://vulncheck.com/advisories/openclaw-mar-sandbox-escape-via-acp-spawn-commaThird Party Advisory
FAQ
What is CVE-2026-27646?
CVE-2026-27646 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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...
How severe is CVE-2026-27646?
CVE-2026-27646 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27646?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.