Auth bypass in Openclaw
CVE-2026-41908
OpenClaw before 2026.4.20 contains a scope enforcement bypass vulnerability in the assistant-media route that allows trusted-proxy callers without operator.read scope to access protected assistant-media files and metadata. Attackers can bypass identity-bearing HTTP auth path scope validation to retrieve sensitive media content within allowed media roots.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.4.20
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-v8qf-fr4g-28p2 (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/99ef3a63c58440d53f8e45ad861b846032fcb036 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-scope-enforcement-bypass-in-assistant-med… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41908?
- CVE-2026-41908 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-04-23.
- How severe is CVE-2026-41908?
- Medium severity. CVSS v3 base score is 4.3 out of 10.