On 2026-04-20, CISA added CVE-2024-27199 (JetBrains TeamCity) to its Known Exploited Vulnerabilities (KEV) Catalog [2]. The vulnerability is listed in the catalog as "JetBrains TeamCity Relative Path Traversal Vulnerability" [2]. CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2].
Backfill: this event became public on Apr 20, 2026 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds JetBrains TeamCity Vulnerability CVE-2024-27199 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Apr 20, 2026
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 100%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2]
Timeline
Technical details
CISA KEV Listing Record
On 2026-04-20, CISA added CVE-2024-27199 to the catalog for JetBrains TeamCity [2].
Original Technical Description
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed. [2]
Official Requirements
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2024-27199. [1]
References
Official / primary3
- [1]
“In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible”
- [2]
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.