CVE-2026-59795

JetBrains TeamCity versions prior to 2026.1.2 are vulnerable to stored cross-site scripting (XSS) attacks through unauthenticated agent registration, allowing attackers to inject malicious scripts that could be executed in the context of other users. This vulnerability poses a significant risk to the integrity and confidentiality of user data, making it critical for organizations using affected versions to prioritize immediate updates to mitigate potential exploitation.