CVE-2026-100274

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

• Published Sep 30, 2026
• CVSS 6.5 medium
• 0.8% chance of exploitation in the next 30 days (EPSS)
• A fix is available

CVE-2026-100274 at the National Vulnerability Database