CVE-2020-15820: JetBrains Youtrack

Medium severity, CVSS 5.3. EPSS: 1.4% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2020.2.6881, the markdown parser could disclose hidden file existence.

Affected products

• JetBrains Youtrack: before 2020.2.6881 (fixed in 2020.2.6881)

Published 2020-08-08. Last modified 2026-06-17.