CVEs / CVE-2024-27199
CVE-2024-27199: JetBrains TeamCity Relative Path Traversal Vulnerability
- Known exploited in the CISA KEV catalog since 20 Apr 2026
- high 7.3 CVSS 3.1 (NVD)
- EPSS 99.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.
Description
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| JetBrains TeamCity | before 2023.11.4 | 2023.11.4 |
Exploitation
| In CISA KEV since | 20 Apr 2026 |
|---|---|
| Due date for US federal agencies | 4 May 2026 |
| Used in ransomware campaigns | Known |
| 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. |
Severity
| CVSS 3.1 | 7.3 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LScored by NVD |
|---|---|
| Weakness | CWE-23, CWE-22 |
References
- CVE-2024-27199 on NVD
- CVE-2024-27199 in the CISA KEV catalog
- https://www.jetbrains.com/privacy-security/issues-fixed/ (cited by CISA)
- 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/ (cited by CISA)
- https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive Press/Media Coverage
- https://www.jetbrains.com/privacy-security/issues-fixed/ Vendor Advisory
- https://github.com/Stuub/RCity-CVE-2024-27198/blob/main/RCity.py Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27199 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.