Vulnerabilities

In JetBrains YouTrack before 2026.2.19422 sSRF was possible via the GitHub VCS integration

In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications

In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed reloading of translation catalogs

In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group membership changes

In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible

In JetBrains YouTrack before 2026.2.19422 doS attack was possible via crafted PSD attachments

In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues

In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group links

In JetBrains YouTrack before 2026.2.19422 hTML injection in VCS command failure notifications was possible

In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues