Quick answers
- Is CVE-2026-59796 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-59796 being exploited in the wild.
- How severe is CVE-2026-59796?
- High severity, with a CVSS score of 8.1, published 10 July 2026.
- Which products and versions are affected?
- Jetbrains TeamCity before 2026.1.2.
- Is there a fix for CVE-2026-59796?
- 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-2026-59796 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-59796?
- 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 missing authorization vulnerability (CWE-862) in JetBrains TeamCity allowed authenticated users with low-level privileges to modify build pipelines. The flaw stems from improper permission checks within the pipeline management component. An attacker with network access and valid credentials could exploit this to alter build configurations, potentially leading to unauthorized code execution or data exfiltration during the CI/CD process. The vulnerability is addressed in TeamCity version 2026.1.2.
Affected products
- JetBrains TeamCity before 2026.1.2
Timeline
- 2026-07-10: disclosed
- 2026-07-10: advisory