CVE-2026-59793: JetBrains TeamCity arbitrary file access in Perforce VCS integration

CVE-2026-59793 · Severity: high · CVSS 8.8 · Published 2026-07-10

JetBrains TeamCity, a popular continuous integration and deployment server, contained a vulnerability in its Perforce version control integration. This flaw allowed an attacker with low-level access to read or access sensitive files on the server. Such access could lead to the theft of source code, configuration secrets, or other critical intellectual property, potentially compromising the entire software delivery pipeline.

Technologies: Jetbrains TeamCity. Vendors: Jetbrains.

Quick answers

Is CVE-2026-59793 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-59793 being exploited in the wild.
How severe is CVE-2026-59793?
High severity, with a CVSS score of 8.8, published 10 July 2026.
Which products and versions are affected?
Jetbrains TeamCity before 2026.1.2.
Is there a fix for CVE-2026-59793?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-59793 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-59793?
Check whether you run Jetbrains TeamCity at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A path traversal or external control of file name/path vulnerability (CWE-73) exists in the Perforce VCS integration of JetBrains TeamCity. An authenticated attacker with low privileges can exploit this flaw via the network to access arbitrary files on the host system. The root cause involves insufficient validation of file paths provided through the Perforce integration. Successful exploitation could result in full loss of confidentiality, integrity, and availability of the server. The issue is resolved in TeamCity version 2026.1.2.

Affected products

  • JetBrains TeamCity before 2026.1.2

Timeline

  • 2026-07-10: disclosed
  • 2026-07-10: advisory

References

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