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CVE-2024-27199

7.3, high Known exploited Used in ransomware

JetBrains TeamCity Relative Path Traversal Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
7.3, high high CVSS v3.1
EPSS, next 30 days
100% higher than 99.9% of scored CVEs
Exploitation
Confirmed in the wild
Published
4 Mar 20242 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 20 Apr 2026 and links it to ransomware activity. US federal agencies had to remediate by 4 May 2026, a deadline that has passed.

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.

Description

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

Details

Vendor
JetBrains
Product
TeamCity
Weakness
CWE-23 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
cve@jetbrains.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References 4

Exploit code 1

Advisories 1

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other JetBrains CVEs

Every JetBrains CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-63077 JetBrains TeamCity Deserialization of Untrusted Data Vulnerability KEV EPSS 90% 9.8, critical
  • CVE-2024-27198 JetBrains TeamCity Authentication Bypass Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2023-42793 JetBrains TeamCity Authentication Bypass Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2026-111094 JetBrains TeamCity Deserialization of Untrusted Data Vulnerability EPSS 0.4% 9.8, critical
  • CVE-2026-106218 In JetBrains TeamCity before 2026.1.3 2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible EPSS 0.3% 10, critical
  • CVE-2026-106219 JetBrains TeamCity External Control of File Name or Path Vulnerability EPSS 0.6% 7.5, high
  • CVE-2026-100255 In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password reset EPSS 0.4% 9.8, critical
  • CVE-2026-100273 JetBrains YouTrack Incorrect Authorization Vulnerability EPSS 0.3% 9.8, critical

Beyond this page

Is CVE-2024-27199 in your network?

This page tells you how dangerous CVE-2024-27199 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2024-27199 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2024-27199 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.