CVE-2026-126542

CriticalCVSS 9.8/10Last modified Nov 11, 2026

Description

WWBN AVideo 6.5 through 29.7.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user via Hybridauth social login display names. Attackers can set their X, Facebook, Yahoo or LinkedIn display name to a victim's username and withhold email, causing login.json.php or oauth2.php to log them in as that account, including administrators, without a password.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 11, 2026
Last modified
Nov 11, 2026
NVD status
Deferred

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CVE-2026-126542: Critical severity, CVSS 9.8 | Vulnix