Auth bypass in Wwbn Avideo
CVE-2026-40907
WWBN AVideo is an open source video platform. In versions 29.0 and prior, the endpoint `plugin/Live/view/Live_restreams/list.json.php` contains an Insecure Direct Object Reference (IDOR) vulnerability that allows any authenticated user with streaming permission to retrieve other users' live restream configurations, including third-party platform stream keys and OAuth tokens (access_token, refresh_token) for services like YouTube Live, Facebook Live, and Twitch. Commit d5992fff2811df4adad1d9fc7d0a5837b882aed7 fixes the issue.
Vulnerability class: IDOR (Insecure Direct Object Reference)
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 (28.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Wwbn Avideo — versions <= 29.0
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-gpgp-w4x2-h3h7 (Exploit, Vendor Advisory)
- github.com/WWBN/AVideo/commit/d5992fff2811df4adad1d9fc7d0a5837b882aed7 (Patch)
Frequently asked questions
- What is CVE-2026-40907?
- CVE-2026-40907 is a medium-severity vulnerability in Wwbn Avideo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-04-21.
- How severe is CVE-2026-40907?
- Medium severity. CVSS v3 base score is 6.5 out of 10.