Vulnerability in Openclaw
CVE-2026-41366
OpenClaw before 2026.3.31 contains a local roots self-whitelisting vulnerability in appendLocalMediaParentRoots that allows model-initiated arbitrary host file read. Attackers can exploit improper media parent directory validation to exfiltrate credentials and access sensitive files.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.3.31
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-57gh-m6rq-54cf (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/1ca4261d7e055d0be141ed79ebb1365d0fbc7364 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-arbitrary-host-file-read-via-appendlocalm… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41366?
- CVE-2026-41366 is a medium-severity vulnerability in Openclaw, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2026-04-28.
- How severe is CVE-2026-41366?
- Medium severity. CVSS v3 base score is 5.5 out of 10.