CVE-2026-48611

CRITICAL

9.8

CVSS Severity Score

EPSS Score0.1900%

EPSS Percentile4.95th

PublishedJun 12, 2026

Last ModifiedJun 12, 2026

Vulnerability Description

Improper authentication checks in the OAuth implementation allow account hijacking even when OAuth is not configured or enabled leading to unauthorized access in default installations.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://www.phpbb.com/community/viewtopic.php?t=2672170

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