CVE-2026-100257

In JetBrains YouTrack before 2026.2.18991 sSRF via stored XHTML injection was possible during PDF export

Published Sep 30, 2026
CVSS 4.3 medium
0.2% chance of exploitation in the next 30 days (EPSS)
A fix is available

Affected software

JetBrains YouTrack

CVE-2026-100257 at the National Vulnerability Database