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

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.