CVE-2026-86492

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens

• Published Sep 7, 2026
• CVSS 8.5 high
• 0.9% chance of exploitation in the next 30 days (EPSS)
• A fix is available

CVE-2026-86492 at the National Vulnerability Database