CVE-2026-63238: Improper Authentication

An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint...

CVE-2023-3597

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication...

CVE-2023-6272: Improper Restriction of Excessive Authentication Attempts

The Theme My Login 2FA WordPress plugin before 1.2 does not rate limit 2FA validation attempts, which may allow an attacker to brute-force all possibilities, which shouldn't be too long, as the 2FA codes are 6 digits...