CVE-2026-100260

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

• Published Sep 30, 2026
• CVSS 5.3 medium
• 0.3% chance of exploitation in the next 30 days (EPSS)
• A fix is available

CVE-2026-100260 at the National Vulnerability Database