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CVE-2026-122138

MEDIUM CVSS: 5.3 Published: 2026-11-04 Modified: 2026-11-04

Description

BlueprintUE Self-Hosted Edition 4.2.0 before 4.3.4 contains a login rate limit bypass vulnerability in LoginMiddleware.php that keys failed-login counters on case-sensitive usernames. Unauthenticated attackers can vary username casing against case-insensitive MySQL lookups to get extra attempts and brute-force passwords past the per-account lockout.

Affected Platforms

Unknown

Weakness Type

CWE-307

References