CVE-2026-100253

EUVD-2026-89997
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 39.19%
Affected Products (NVD)
VendorProductVersion
jetbrainsteamcity
𝑥
< 2025.11.8
jetbrainsteamcity
2026.1 ≤
𝑥
< 2026.1.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.jetbrains.com/privacy-security/issues-fixed/