CVE-2026-49378: JetBrains TeamCity

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

In JetBrains TeamCity before 2026.1 credentials parameters were exposed via parameter autocompletion

Affected products

• JetBrains TeamCity: before 2026.1 (fixed in 2026.1)

Published 2026-05-29. Last modified 2026-07-22.