In JetBrains YouTrack before 2026.2.17917 unauthorised project transfer between organisations was possible

In JetBrains YouTrack before 2025.3.156085, 2026.1.13913, 2026.2.18112 an unauthenticated attacker could download database backups via shared draft signature

In JetBrains YouTrack before 2026.1.13901, 2026.2.17950 doS attack was possible via crafted type parameters

In JetBrains YouTrack before 2026.2.18177 doS attack was possible via a decompression bomb in the import endpoint

In JetBrains YouTrack before 2026.1.13903, 2026.2.17950 an authenticated user could read restricted articles from other projects via the draft creation endpoint

In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible

In JetBrains YouTrack before 2026.2.18112 an authenticated user could enumerate accounts via the users search endpoint

In JetBrains YouTrack before 2025.3.156085, 2026.1.13914, 2026.2.18095 missing authorisation allowed an authenticated user to delete arbitrary entities via the mailbox endpoint

In JetBrains YouTrack before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 authentication bypass via direct database access leading to administrative access was possible

In JetBrains YouTrack before 2026.1.13162 information disclosure was possible on Users and Groups pages

In JetBrains YouTrack before 2026.1.13162 stored XSS in project notification templates was possible

In JetBrains YouTrack before 2026.1.13162 information disclosure was possible on fetchApp requests

In JetBrains YouTrack before 2026.1.13570 improper access control allowed low-privileged users to modify service accounts

In JetBrains YouTrack before 2026.1.13570 improper access control allowed enumeration of restricted issues and articles on Planning Canvas

In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible

In JetBrains YouTrack before 2026.2.17394 stored XSS via article titles in digest emails was possible

In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint

In JetBrains YouTrack before 2026.2.16593 project settings disclosure via the MCP was possible

In JetBrains YouTrack before 2026.2.16593 improper authorisation in the app configurations endpoint allowed modifying project settings

In JetBrains YouTrack before 2026.2.16593 default role configuration exposed excessive user profile details

In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading saved queries and tags

In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack

In JetBrains YouTrack before 2023.3.22666 stored XSS via markdown was possible

In JetBrains YouTrack before 2023.1.16597 captcha was not properly validated for Helpdesk forms

In JetBrains YouTrack before 2023.1.10518 stored XSS in a Markdown-rendering engine was possible

In JetBrains YouTrack before 2023.1.10518 a DoS attack was possible via Helpdesk forms

In JetBrains YouTrack before 2021.2.16363, an insecure PRNG was used.

In JetBrains YouTrack before 2021.3.21051, a user could see boards without having corresponding permissions.

In JetBrains YouTrack before 2021.2.17925, stored XSS was possible.

In JetBrains YouTrack before 2021.2.16363, time-unsafe comparisons were used.