Quick answers
- Is CVE-2026-111096 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-111096 being exploited in the wild.
- How severe is CVE-2026-111096?
- Medium severity, with a CVSS score of 6.7, published 15 October 2026.
- Which products and versions are affected?
- Jetbrains TeamCity before 2026.2, 2026.1.4, 2025.11.8.
- Is there a fix for CVE-2026-111096?
- Yes: fixed in TeamCity 2026.2, 2026.1.4, 2025.11.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-111096 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-111096?
- 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.
How to fix
- Fixed in: TeamCity 2026.2, 2026.1.4, 2025.11.8
Technical details
A stored XSS vulnerability exists in the classic build log component of TeamCity, where unsanitized user input is persisted and executed in the browser context of users viewing the logs. The vulnerability requires an attacker to inject malicious payloads into build log output, which are then executed when other users access the build logs. The vulnerability has been patched in versions 2026.2, 2026.1.4, and 2025.11.8.
Affected products
- JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8
Timeline
- 2026-10-15: disclosed