CVE-2024-27199: JetBrains TeamCity Relative Path Traversal Vulnerability

Added to the CISA Known Exploited Vulnerabilities catalog on 20 Apr 2026. Vendor: JetBrains. Product: TeamCity.

JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. (due 04 May 2026)