Auth bypass in Wwbn Avideo
CVE-2026-90545
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate video access permissions in the commentAddNew.json.php endpoint, allowing authenticated users to post comments on password-protected and group-restricted videos. Attackers can submit POST requests with a valid session to add comments to videos they cannot watch, bypassing password and group access controls.
Vulnerability class: Broken Access Control
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:N/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-90545?
- CVE-2026-90545 is a medium-severity vulnerability in Wwbn Avideo, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-12.
- How severe is CVE-2026-90545?
- Medium severity. CVSS v3 base score is 4.3 out of 10.