CVE-2026-27646

OpenClaw < 2026.3.7 - Sandbox Escape via /acp spawn Command

Published Mar 23, 2026 CVSS 4.0 · 5.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-9q36-67vc-rrwg OpenClaw: Sandboxed /acp spawn requests could initialize host ACP sessions
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N'}

cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N'}

Type Values Removed Values Added
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Type Values Removed Values Added
First Time appeared Openclaw
Openclaw openclaw
Vendors & Products Openclaw
Openclaw openclaw
Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.7 - Sandbox Escape via /acp spawn Command
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N'}

cvssV4_0

{'score': 5.8, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 14, 2026, 6:39 PM
Reserved
Feb 22, 2026, 1:10 PM
Status
Modified
Published
Mar 23, 2026, 10:16 PM
Modified
Jun 17, 2026, 10:27 AM