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TI-2024-18054 Aliases CVE-2024-27199GHSA-m7gg-q7qj-3r2r

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

Priority CRITICAL 89Exploited in the wildCWE-23Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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

Why it matters now

Exploitation Active In CISA KEV since 2026-04-20CISA due date 2026-05-04Known ransomware use
EPSS 0.99991 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed TeamCity (JetBrains): 2023.11.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JetBrainsTeamCitybefore 2023.11.42023.11.4Patch availableCNA
  • TeamCity VendorJetBrains Affected before 2023.11.4 Fixed in 2023.11.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*before 2023.11.4VulnerableJetBrains
  • cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:* Versions before 2023.11.4 Vulnerable ·JetBrains

Remediation

  • Fix · CNA TeamCity (JetBrains) Fixed in 2023.11.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    JetBrains TeamCity 2023.11.4

    2 records Highest priority Priority CRITICAL 2 CRITICAL

    Other records, highest priority first

    • TI-2024-18053 In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possiblePriority CRITICAL 100
    Show all 2 records →

Timeline

  1. 2026-04-20 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2024-27199
  3. 2026-10-03 Alias added: GHSA-m7gg-q7qj-3r2r

References

Exploit 1

Advisory 1

Other 1

  • TI-2026-45031 Deserialization of untrusted data in JetBrains TeamCity KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18053 In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-22884 In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-15905 In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible CVSS 3.1CRITICAL 9.8
  • TI-2015-01192 JetBrains TeamCity 8 and 9 before 9.0.2 allows bypass of account-creation restrictions… CVSS 3.1MEDIUM 6.5
  • TI-2026-36546 In JetBrains TeamCity before 2026.1 remote code execution was possible via Perforce connection settings CVSS 3.1HIGH 8.8
See all 282 →

Sources

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