CVE-2026-75048: JetBrains Youtrack

High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible

Affected products

• JetBrains Youtrack: before 2026.2.18068 (fixed in 2026.2.18068)

Published 2026-08-17. Last modified 2026-09-15.