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

criticalknown exploitedpublic exploitCVE-2024-27199
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.

CSIRTS triage

vendor: JetBrainsproduct: TeamCityPath traversal
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.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-04-20
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-27199

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-27199coverage & exploitation statusNVD · CVE.org

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