CVE-2026-100253

published 2026-09-30

CVE-2026-100253: In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 sandbox escape leading to code execution was possible via the versioned settings Kotlin DSL

Priority P3 53 high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

In JetBrains TeamCity before 2026.2,
2026.1.4,
2025.11.8 sandbox escape leading to code execution was possible via the versioned settings Kotlin DSL

Affected

3 ranges

Vendor	Product	Version range	Fixed in
jetbrains	teamcity	< 2026.2, 2026.1.4, 2025.11.8	2026.2, 2026.1.4, 2025.11.8
jetbrains	teamcity	< 2025.11.8	2025.11.8
jetbrains	teamcity	>= 2026.1 < 2026.1.4	2026.1.4

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CWE-184