---
id: "CVE-2024-27199"
kind: "vulnerability"
aliases: ["CVE-2024-27199"]
title: "In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible"
severity: "high"
cvss: 7.3
epss: null
exploited: true
status: "open"
category: "package"
products: [{"name": "jetbrains teamcity", "fixed": ["2023.11.4"], "affected": "< 2023.11.4", "ecosystem": "vendor"}, {"name": "JetBrains TeamCity", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["ci-cd", "exploited", "jetbrains", "package", "ransomware", "self-hosted", "teamcity"]
not_affected_if: ["default-config", "managed-hosting"]
published_at: "2024-03-04T18:15:09+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-24T00:09:50+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-27199", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27199", "first_seen_at": "2026-10-23T23:44:51+00:00"}]
---

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

JetBrains TeamCity, a self-hosted CI/CD server, has a relative path traversal flaw that lets an attacker perform limited admin actions. CISA lists it as actively exploited in the wild, with ransomware use noted in the sources.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:jetbrains teamcity affected < 2023.11.4 fixed 2023.11.4
- vendor:JetBrains TeamCity affected ? fixed ?

## Fix

Apply the mitigations from the JetBrains vendor advisory, or discontinue use of the product if mitigations are unavailable (per CISA required action).

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-27199
- 2026-10-23T23:44:51+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2024-27199

## From the sources

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

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

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_