CVE-2024-27199

JetBrains TeamCity

Published 4 Mar 2024 · updated 17 Jun 2026 · Analyzed

7.3 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 20 Apr 2026, with a remediation deadline of 4 May 2026 for US federal agencies. It has been used in ransomware campaigns.

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.

Description

In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible

References

www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive · Press/Media Coverage
www.jetbrains.com/privacy-security/issues-fixed/ · Vendor Advisory
github.com/Stuub/RCity-CVE-2024-27198/blob/main/RCity.py · Exploit
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27199 · US Government Resource