CVE-2026-48612

HIGH

8.0

CVSS Severity Score

EPSS Score0.1000%

EPSS Percentile31.30th

PublishedJun 12, 2026

Last ModifiedJun 12, 2026

Vulnerability Description

Improper state verification in the OAuth implementation could allow an attacker to manipulate the authentication flow and cause a victim’s account to be linked to an attacker-controlled account. This can result in unauthorized account linking and potential account takeover.

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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