Vulnerability · Published Sep 26, 2026 · Assigned by VulnCheck
CVE-2026-100533OpenClaw before 2026.8.1 Path Traversal via Unicode Fallback
Medium 5.3
In plain English
A medium-severity path traversal in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 78.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-5rx7-34fw-64qg) vendor-advisory
- VulnCheck Advisory: OpenClaw before 2026.8.1 Path Traversal via Unicode Fallback third-party-advisory