Jetbrains Teamcity — CVE-2026-106218 (Critical)

Date Oct 6, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Jetbrains · Teamcity

CVE CVE-2026-106218

Critical vendor advisory CVE-2026-106218

Summary

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

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 8.8) in Jetbrains Teamcity. Patch or mitigate promptly. EPSS percentile: 18%.

Operator check

Review CVE-2026-106218 in your asset inventory. Apply patches per vendor guidance and verify Teamcity is not exposed. CVSS score: 8.8. EPSS probability: 0.3%; percentile: 18%.

Sources

NVD — CVE-2026-106218 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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