Path Traversal in Openclaw
CVE-2026-27522
OpenClaw versions prior to 2026.2.24 contain a local media root bypass vulnerability in sendAttachment and setGroupIcon message actions when sandboxRoot is unset. Attackers can hydrate media from local absolute paths to read arbitrary host files accessible by the runtime user.
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: 0.004 (28.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000
Affected products
- Openclaw — versions 0
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-fqcm-97m6-w7rm (vendor-advisory, Patch, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/270ab03e379f9653e15f7033c9830399b66b7e51 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-sendattachment-an… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-27522?
- CVE-2026-27522 is a medium-severity vulnerability in Openclaw, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-03-18.
- How severe is CVE-2026-27522?
- Medium severity. CVSS v3 base score is 6.5 out of 10.