ACTIVELY EXPLOITED
CVE-2024-27199: JetBrains TeamCity Relative Path Traversal Vulnerability
| Vendor | JetBrains |
|---|---|
| Product | TeamCity |
| Actively exploited | Yes |
| Added to CISA KEV | 20 Apr 2026 |
| CISA federal deadline | 4 May 2026 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-23 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.
SOURCES
Other JetBrains flaws
- CVE-2026-63077: JetBrains TeamCity Deserialization of Untrusted Data Vulnerability
- CVE-2024-27198: JetBrains TeamCity Authentication Bypass Vulnerability
- CVE-2023-42793: JetBrains TeamCity Authentication Bypass Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.