9.8Critical

CVE-2026-48611

phpBB phpBB Published: (5 months ago)

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.

Weakness (CWE): CWE-287

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
phpBB phpBB 3.3.0 – ≤ 3.3.16

References and patches