Nagios XI < 2024R1.1.2 API Keys & Hashed Passwords Authenticated Information Disclosure
Nagios XI versions prior to 2024R1.1.2 may (confirmed in 2024R1.1 and 2024R1.1.1) disclose sensitive user account information (including API keys and hashed passwords) to authenticated users who should not have access to that data. Exposure of API keys or password hashes could lead to account compromise, abuse of API privileges, or offline cracking attempts.
Nagios addresses this vulnerability as "Nagios XI 2024R1.1 and 2024R1.1.1 will leak user account information (including API keys and hashed passwords) to authenticated users."