JetBrains TeamCity: Mehrere Schwachstellen ermöglichen Codeausführung
WID-SEC-2026-2504 · first 24.07.2026 · updated 24.07.2026 · CVSS 9,1
What it is about
TeamCity ist ein Continuous Integration und Deployment Tool für Entwickler und DevOps Ingenieure. Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in JetBrains TeamCity ausnutzen, um beliebigen Programmcode auszuführen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
Am I affected?
Affected according to the BSI:
- JetBrains TeamCity <2026.1.2
- JetBrains TeamCity <2025.11.6
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- JetBrains TeamCity 2026.1.2
- JetBrains TeamCity 2025.11.6
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- JetBrainsFixed security issues vom 2026-07-23 www.jetbrains.com
- GitHub Advisory Database vom 2026-07-23 github.com
- GitHub Advisory Database vom 2026-07-23 github.com
CVE: CVE-2026-65906, CVE-2026-65907
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.