What’s Vulnerable › Vulnerabilities

CVE-2026-106218

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-06 · updated 2026-10-08
• Weakness: CWE-184

Description

In JetBrains TeamCity before 2026.1.3 2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible

Affected products

• JetBrains TeamCity: before 2025.11.7; from 2026.1.1 before 2026.1.3 — fixed in 2025.11.7, 2026.1.3

How to fix

Upgrade to a fixed version: JetBrains TeamCity 2025.11.7, 2026.1.3. Check the vendor advisory for mitigations.

References

• https://www.jetbrains.com/privacy-security/issues-fixed/

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