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

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

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

In JetBrains YouTrack before 2026.2.18991 sSRF via stored XHTML injection was possible during PDF export

In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed read-only users to read project settings

In JetBrains YouTrack before 2026.2.18991 improper access control on Gantt chart allowed edits by users with view-only access

In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset

In JetBrains YouTrack before 2026.2.18991 changing article visibility settings was possible without update permission

In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates

In JetBrains YouTrack before 2026.2.18991 stored HTML injection via the User-Agent header was possible

In JetBrains YouTrack before 2026.2.18991 stored SMTP server credentials could be disclosed by changing the server host

In JetBrains YouTrack before 2026.2.19197 low-level Admin Read permission users could disclose integration credentials via import configurations

In JetBrains YouTrack before 2026.2.19197 missing authorisation on several endpoints allowed authenticated users to access information from other projects

In JetBrains YouTrack before 2026.2.19197 missing authorisation in the notification template preview allowed Project Administrators to read restricted issues

In JetBrains YouTrack before 2026.2.19197 authorisation bypass in the scripts debugger allowed arbitrary code execution

In JetBrains YouTrack before 2026.2.19197 project Admin could trigger DoS via a notification template

In JetBrains YouTrack before 2026.2.19197 guest users could remove a workflow action's visibility restriction and run the action

In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature

In JetBrains YouTrack before 2026.2.19197 users with restricted permission could edit and hide other users' comments

In JetBrains YouTrack before 2026.2.19197 changing an integration URL exposed its stored credentials

In JetBrains YouTrack before 2026.2.19197 creating a project from an unreadable custom template was possible

In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible

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 2026.2.19197 helpdesk project's Authorized Reporters list could be bypassed

In JetBrains YouTrack before 2026.2.19197 project administrators could read comments from other projects via notification templates

In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters

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

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