April 20, 2026 · Applied Cybernetics Group
CVE-2024-27199 JetBrains TeamCity
known ransomware use
JetBrains TeamCity Relative Path Traversal Vulnerability
- Added to KEV
2026-04-20- Federal due date
2026-05-04- Vendor
- JetBrains
- Product
- TeamCity
- EPSS
- 100.0th percentile (score 1.000, as of
2026-11-06) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2024-27199
CISA short 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.