What is CVE-2026-90542?

CVE-2026-90542 is a medium-severity vulnerability in Wwbn Avideo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-09-12.

How severe is CVE-2026-90542?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Wwbn Avideo

CVE-2026-90542

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate that logged-in users can access live schedules before creating reminders via remindMe.json.php. Authenticated attackers can create scheduler reminders for private live schedules they cannot view and learn the private schedule title from the generated email job.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-09-12 · last modified 2026-09-15.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.9th percentile), scored 2026-10-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/WWBN/AVideo/security/advisories/GHSA-qf26-4xp7-q5h9 (vendor-advisory)
www.vulncheck.com/advisories/wwbn-avideo-missing-authorization-via-remindme-jso… (third-party-advisory)

Frequently asked questions

What is CVE-2026-90542?: CVE-2026-90542 is a medium-severity vulnerability in Wwbn Avideo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-09-12.
How severe is CVE-2026-90542?: Medium severity. CVSS v3 base score is 5.4 out of 10.