CVE-2026-100533 OpenClaw before 2026.8.1 Path Traversal via Unicode Fallback
Admitted requesters can read files outside the workspace boundary via Unicode filename fallback in OpenClaw's tools.fs.workspaceOnly feature.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-100533?
CVE-2026-100533 is a medium-severity path traversal vulnerability in OpenClaw, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenClaw versions before 2026.8.1 contain a path traversal vulnerability in the tools.fs.workspaceOnly feature where Unicode filename fallback can normalize validated parent directory components. Admitted requesters can exploit canonically equivalent sibling directories to read files outside the configured workspace boundary.
Weakness: CWE-22
Which versions are affected by CVE-2026-100533?
How do I fix CVE-2026-100533?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-100533 being exploited?
There is no known exploitation of CVE-2026-100533 in the wild and no public exploit code.
Sources
Also known as GHSA-5rx7-34fw-64qg, GHSA-q8w6-x36h-hhv6, MINI-x593-g7hw-w7pc.