Cacti 0.8.5a allows remote attackers to gain sensitive information via an HTTP request to (1) auth.php, (2) auth_login.php, (3) auth_changepassword.php, and possibly other php files, which reveal the installation path in a PHP error message.

SQL injection vulnerability in auth_login.php in Cacti 0.8.5a allows remote attackers to execute arbitrary SQL commands and bypass authentication via the (1) username or (2) password parameters.

Cacti before 0.6.8 stores a MySQL username and password in plaintext in config.php, which has world-readable permissions, which allows local users to modify databases as the Cacti user and possibly gain privileges.

graphs.php in Cacti before 0.6.8 allows remote authenticated Cacti administrators to execute arbitrary commands via shell metacharacters in the title during edit mode.

Cacti before 0.6.8 allows attackers to execute arbitrary commands via the "Data Input" option in console mode.