All vulnerabilities
CVE-2024-27199

JetBrains TeamCity Relative Path Traversal Vulnerability

JetBrains TeamCityApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.3High
ExploitationExploited in the wildAdded to KEV 20 Apr 2026. Known ransomware useCISA KEV
Exploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2023.11.4Fixed versionCVE List
Federal deadline4 May 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 4 Mar 2024, 17:21 UTCPublishedCVE List
  2. 20 Apr 2026Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateTeamCity < 2023.11.4 - Authentication BypassNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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

Text from CVE List

Affected versions 1

  • TeamCityaffected: all versions before 2023.11.4CVE List

References 6