blueprintUE Self-Hosted Edition before 4.3.3 contains an account enumeration vulnerability in ForgotPasswordMiddleware.php that allows unauthenticated attackers to identify registered email addresses.
CVSS 4.0MEDIUM 6.9·Network·No auth·No interaction·EPSS 0.00348·Published 2026-11-04·Fixed in 4.3.3CWE-204
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.
CVSS 4.0MEDIUM 6.3·Network·No auth·No interaction·EPSS 0.00331·Published 2026-11-04·Fixed in 4.3.4CWE-307
blueprintUE self-hosted edition before 4.3.4 contains an insufficient session expiration vulnerability that allows attackers to confirm accounts using stale tokens because UserModel::findUserIDWithConfirmedToken ignores…
CVSS 4.0MEDIUM 6.3·Network·No auth·No interaction·EPSS 0.0023·Published 2026-11-03·Fixed in 4.3.4CWE-613