Common Vulnerabilities and Exposures (CVE)
CVE-2026-86498
In JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without update permission
CVE-2026-86497
In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials
CVE-2026-86496
In JetBrains YouTrack before 2026.2.18769 missing access control on Helpdesk authorized reporters exposed reporter email addresses
CVE-2026-86495
In JetBrains YouTrack before 2026.2.18687 missing permission checks allowed creating knowledge base articles in inaccessible projects
CVE-2026-86494
In JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inaccessible issues
CVE-2026-86493
In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed read-only users to create and modify whiteboard cards
CVE-2026-86492
In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens
CVE-2026-86491
In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads
CVE-2026-86490
In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed overwriting of bundled apps via the app import endpoint
CVE-2026-86489
In JetBrains YouTrack before 2026.2.18634 an IDOR in the user profile API disclosed private issues and starred folders across organizations
CVE-2026-86488
In JetBrains YouTrack before 2026.2.18634 iDOR via the watchRules and issueListConfig endpoints exposed private saved searches
CVE-2026-86487
In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content
CVE-2026-86486
In JetBrains YouTrack before 2026.2.18634 the generic VCS webhook handler failed open when its secret was blank
CVE-2026-86485
In JetBrains YouTrack before 2026.2.18634 iP spoofing via HTTP headers allowed forged Bitbucket webhooks
CVE-2026-86484
In JetBrains YouTrack before 2026.2.18634 angularJS template injection in assignee names led to stored XSS