JetBrains TeamCity User Enumeration Vulnerability

A vulnerability in JetBrains TeamCity prior to version 2025.03.3 allowed for user enumeration, where usernames could be exposed to users without the proper permissions. This issue was reported as part of the TeamCity privacy and security updates.

Impact

Exploitation of this vulnerability could lead to unauthorized users gaining access to usernames, potentially allowing for further social engineering attacks or unauthorized access attempts.

Remediation

Users can update to JetBrains TeamCity version 2025.03.3 or later to address this vulnerability.