When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.

Affected versions of Octopus Server are prone to an authenticated SQL injection vulnerability in the Events REST API because user supplied data in the API request isn’t parameterised correctly. Exploiting this vulnerability could allow unauthorised access to database tables.

Cleartext storage of sensitive information in multiple versions of Octopus Server where in certain situations when running import or export processes, the password used to encrypt and decrypt sensitive values would be written to the logs in plaintext.