CVE-2026-44237

Summary: CVE-2026-44237 affects FreePBX before 17.0.8. The api module’s OAuth2 flow does not validate client credentials during token issuance; validateClient() in ClientRepository.php unconditionally returns true. This allows any party with a valid client_id to obtain OAuth2 access tokens withou...

PT-2026-44842

FreePBX is an open source IP PBX. Prior to 17.0.8, the FreePBX api module's OAuth2 implementation does not sufficiently validate client credentials during token issuance. Knowledge of a valid client id is required. The validateClient method in ClientRepository.php unconditionally returns true,...

CVE-2009-5144

mod-gnutls does not validate client certificates when "GnuTLSClientVerify require" is set in a directory context, which allows remote attackers to spoof clients via a crafted certificate...