CVE-2024-27199
Actively exploited. CVE-2024-27199 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-04-20) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2024-27199 is indexed in Metasploit and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.
CSIRTS triage
- What
- A relative path traversal vulnerability could allow limited admin actions to be performed.
- Who is affected
- Users of JetBrains TeamCity.
- Urgency
- Remediation is urgent due to the critical severity and confirmed exploitation.
- Action
- Upgrade to the patched version of TeamCity.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2024-27199 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2024-27199: JetBrains TeamCity Relative Path Traversal Vulnerabilitycisa-kev · 2026-04-20
External references
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[](https://www.csirts.com/cve/CVE-2024-27199)