Information disclosure in Wwbn Avideo
CVE-2026-90538
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in playlistsFromUser.json.php that allows unauthenticated attackers to read private playlists by requesting another user's identifier. Attackers can retrieve Favorite and Watch Later playlists belonging to other users due to improper cache keying that conflates requests across different user contexts.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% 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
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-6382-hm4f-hxqg (vendor-advisory)
- www.vulncheck.com/advisories/wwbn-avideo-missing-authorization-via-playlistsfro… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-90538?
- CVE-2026-90538 is a medium-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-12.
- How severe is CVE-2026-90538?
- Medium severity. CVSS v3 base score is 5.3 out of 10.