CVE-2026-27670 OpenClaw < 2026.3.2 - Arbitrary File Write via ZIP Extraction Parent Symlink Race Condition
Local attackers can write arbitrary files outside the intended directory via a race condition in ZIP extraction, requiring a patch to OpenClaw.
- 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-2026-27670?
CVE-2026-27670 is a medium-severity vulnerability in Openclaw Openclaw, published on 19 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 2026.3.2 contain a race condition vulnerability in ZIP extraction that allows local attackers to write files outside the intended destination directory. Attackers can exploit a time-of-check-time-of-use race between path validation and file write operations by rebinding parent directory symlinks to redirect writes outside the extraction root.
Weakness: CWE-367
Which versions are affected by CVE-2026-27670?
It affects 1 product.
Products include Openclaw Openclaw.
How do I fix CVE-2026-27670?
Apply the vendor's patch.
Is CVE-2026-27670 being exploited?
There is no known exploitation of CVE-2026-27670 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-2g8c-6qfq-528m, MINI-4w2w-rhf4-jvp9.