CVE-2026-103491

In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues

Published Oct 1, 2026
CVSS 6.5 medium
0.2% chance of exploitation in the next 30 days (EPSS)
A fix is available

Affected software

JetBrains YouTrack

CVE-2026-103491 at the National Vulnerability Database