CVE-2026-100278

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

• Published Sep 30, 2026
• CVSS 4.9 medium
• 0.2% chance of exploitation in the next 30 days (EPSS)
• A fix is available

CVE-2026-100278 at the National Vulnerability Database