CVE-2021-26309: JetBrains TeamCity

Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Information disclosure in the TeamCity plugin for IntelliJ before 2020.2.2.85899 was possible because a local temporary file had Insecure Permissions.

Affected products

• JetBrains TeamCity: before 2020.2.2.85899 (fixed in 2020.2.2.85899)

Published 2021-05-11. Last modified 2026-06-17.