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

Known ransomware use CISA KEV listed Added April 20, 2026 Remediate by May 4, 2026

Description

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.

Notes

https://www.jetbrains.com/privacy-security/issues-fixed/ ; https://blog.jetbrains.com/teamcity/2024/03/additional-critical-security-issues-affecting-teamcity-on-premises-cve-2024-27198-and-cve-2024-27199-update-to-2023-11-4-now/ ; https://nvd.nist.gov/vuln/detail/CVE-2024-27199

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