CVE-2026-65906

High

Description

In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible

SeverityHigh
CVSS8.8
Exploit probability—
ProductJetbrains Teamcity
PublishedJul 23, 2026
First seenJul 23, 2026

How to fix

Update
  • jetbrains teamcity2025.11.6, 2026.1.2 or later

Affected products

ProductAffected versionsFixed in
jetbrains teamcityv < 2025.11.6, 2026.1 ≤ v < 2026.1.22025.11.6, 2026.1.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

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