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.

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 exfil…

EPSS: 0.000 (8.8th percentile) — read the EPSS interpretation.

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.

Affected products

Openclaw — versions 0, 2026.3.31

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

GitHub Security Advisory (GHSA-57gh-m6rq-54cf) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.3.31 - Arbitrary Host File Read via appendLocalMediaParentRoots Self-Whitelisting (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.