YouTrack Security Update: Upgrade Required for YouTrack Server - The JetBrains Blog

YouTrack administrators are being advised to upgrade their YouTrack Server installations to address several security vulnerabilities identified in versions prior to 2024.2, with fixed builds now available starting from this version. While YouTrack Cloud users have already received patches and require no further action, YouTrack Server users are urged to upgrade to versions 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, or 2024.2.148429 to mitigate risks, such as admin account takeover through authentication token forgery or email verification bypasses. These vulnerabilities, discovered via coordinated disclosure and AI-assisted security research, have not been exploited outside of testing environments, but JetBrains recommends prompt upgrading to ensure protection. For further assistance, users are encouraged to consult the Installation and Upgrade documentation or contact YouTrack Support.

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