CVE-2024-27199: JetBrains TeamCity Relative Path Traversal Vulnerability

CISA Known Exploited Vulnerabilities

Name

JetBrains TeamCity Relative Path Traversal Vulnerability

Vendor

JetBrains

Product

TeamCity

Added to the catalog

2026-04-20

Due date for US federal agencies

2026-05-04

Weaknesses

CWE-23

Catalog version

2026.10.30

JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Ransomware use: CISA marks this vulnerability as known to be used in ransomware campaigns. CISA does not say which group used it.

Links in CISA's notes

• https://www.jetbrains.com/privacy-security/issues-fixed/
• 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/
• https://nvd.nist.gov/vuln/detail/CVE-2024-27199

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2024-03-04T18:15:09.377

Last modified

2026-06-17T07:19:25.110

Weaknesses

CWE-23, CWE-22

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

References

• 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://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)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:15.686Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-27199

CVE record

Assigner

JetBrains

State

PUBLISHED

Published

2024-03-04T17:21:40.081Z

Updated

2026-04-21T03:55:31.232Z

Problem types

CWE-23

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

References

• https://www.jetbrains.com/privacy-security/issues-fixed/
• https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive

Read on 2026-11-03T02:06:06.399Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2024/27xxx/CVE-2024-27199.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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