Known Exploited Vulnerability

CVE-2024-27199

JetBrains TeamCity Relative Path Traversal Vulnerability

Ransomware campaign Added 20 Apr 2026 Due 04 May 2026 · 90 days ago
VendorJetBrains
ProductTeamCity
WeaknessCWE-23
RansomwareKnown use

What the flaw is

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

Description as published by CISA. We have not independently reproduced it.

What CISA requires

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

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

We hold no public exploit references for this CVE. That means our dataset has none — it is not evidence that no exploit exists. CISA has confirmed this vulnerability is being exploited in the wild regardless.

Vendor advisories

Primary sources

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Source: CISA KEV catalog · last verified July 31, 2026. Rebuilt automatically twice a day.