CVE-2026-27646 OpenClaw < 2026.3.7 - Sandbox Escape via /acp spawn Command
Attackers can bypass sandbox restrictions to execute code on the host by invoking the /acp spawn command when ACP is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-27646?
CVE-2026-27646 is a medium-severity vulnerability in Openclaw Openclaw, published on 23 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-27646?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.3.7 |
openclaw npm | All versions | 2026.3.7 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-27646?
Upgrade openclaw to 2026.3.7 or later.
Is CVE-2026-27646 being exploited?
There is no known exploitation of CVE-2026-27646 in the wild and no public exploit code.
Other vulnerabilities in Openclaw Openclaw
- CVE-2026-28363 Security feature bypass in OpenClaw
- CVE-2026-30741 Code injection in n/a
- CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
- CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
- CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners
Sources
Also known as GHSA-9q36-67vc-rrwg, MINI-rvgm-jrhm-q23h.