Path Traversal in Openclaw
CVE-2026-33581
OpenClaw before 2026.3.24 contains a sandbox bypass vulnerability in the message tool that allows attackers to read arbitrary local files by using mediaUrl and fileUrl alias parameters that bypass localRoots validation. Remote attackers can exploit this by routing file requests through unvalidated alias parameters to access files outside the intended sandbox directory.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.3.24
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-v8wv-jg3q-qwpq) (vendor-advisory, third-party-advisory, Vendor Advisory)
- Patch Commit (Patch, patch)
- VulnCheck Advisory: OpenClaw < 2026.3.24 - Arbitrary File Read via mediaUrl and fileUrl Parameters (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-33581?
- CVE-2026-33581 is a medium-severity vulnerability in Openclaw, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-03-31.
- How severe is CVE-2026-33581?
- Medium severity. CVSS v3 base score is 6.5 out of 10.