What is CVE-2026-90540?

CVE-2026-90540 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-2026-90540?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Wwbn Avideo

CVE-2026-90540

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate watch permissions in the playListAddVideo.json.php endpoint when adding videos to playlists. Authenticated attackers can add password-protected videos they cannot watch to playlists they own by submitting the video ID and playlist ID parameters.

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

Wwbn Avideo

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-90540?: CVE-2026-90540 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-2026-90540?: Medium severity. CVSS v3 base score is 4.3 out of 10.