CVE-2026-26206 Wazuh: API brute-force protection bypass via race condition in login attempt tracking

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.0.0 to before version 4.14.4, Wazuh's server API brute-force protection for POST /security/user/authenticate can be bypassed by sending concurrent authentication requests. Although the...

GHSA-GC7Q-JGJV-VJR2 Keycloak Services has a potential bypass of brute force protection

If an attacker launches many login attempts in parallel then the attacker can have more guesses at a password than the brute force protection configuration permits. This is due to the brute force check occurring before the brute force protector has locked the user. Acknowledgements: Special thank...