CRITICALCVSS v3.1 9.8Vulnerability

CVE-2026-126542

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.

Properties

Severity
CRITICAL
Nvd fetched at
2026-11-11T23:49:45.533241+00:00
Epss score
0.00753
Cvss severity
CRITICAL
Cvss score
9.8
Retrieved at
2026-11-11T23:51:13+00:00
Last source
FIRST EPSS
Score
9.8
Cvss version
3.1
Cve id
CVE-2026-126542
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-11T03:34:07+00:00
Name
CVE-2026-126542
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-11T01:17:15.547
Last modified
2026-11-11T01:17:15.680
Epss percentile
0.555

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-126542 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal