CVE-2024-27199 JetBrains TeamCity Relative Path Traversal
Attackers can exploit path traversal in TeamCity to perform limited administrative actions, requiring an upgrade to the latest version.
- Exploited in the wild
- Since 20 Apr 2026
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-27199?
CVE-2024-27199 is a high-severity path traversal vulnerability in Jetbrains Teamcity, published on 4 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
Which versions are affected by CVE-2024-27199?
It affects 1 product.
Products include Jetbrains Teamcity.
How do I fix CVE-2024-27199?
No fix has been published for CVE-2024-27199 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 4 May 2026.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-27199 being exploited?
Yes. Attackers have exploited CVE-2024-27199 in the wild since at least 20 Apr 2026, including in ransomware campaigns.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Jetbrains Teamcity
Sources
Also known as GHSA-m7gg-q7qj-3r2r.