Sandbox Escape Vulnerability in OpenClaw by OpenClaw
CVE-2026-27646

5.8MEDIUM

Key Information:

Vendor

Openclaw

Status
Openclaw
Vendor
CVE Published:
23 March 2026

What is CVE-2026-27646?

OpenClaw versions before 2026.3.7 are vulnerable to a sandbox escape that permits authorized sessions to execute host-side ACP runtime. By using the /acp spawn command, attackers can navigate from a restricted sandboxed chat context to the unrestricted host environment, compromising the integrity of the system when ACP functionality is enabled.

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Affected Version(s)

OpenClaw 0 < 2026.3.7

OpenClaw 2026.3.7

References

https://github.com/openclaw/openclaw/security/advisories/...
third-party-advisory
https://github.com/openclaw/openclaw/commit/61000b8e4ded9...
patch
https://vulncheck.com/advisories/openclaw-mar-sandbox-esc...
third-party-advisory

CVSS V4

Score:
5.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

tdjackey
JSON
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