CVE-2026-100253CWE-184

CVE-2026-100253

High · published September 30, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
37.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00444 · 37.6th percentile
Weakness
CWE-184 · Incomplete List of Disallowed Inputs
Published
2026-09-30T20:16Z
Affected products (2)
ProductVersionsFixed in
jetbrains/teamcity< 2025.11.82025.11.8
jetbrains/teamcity≥ 2026.1, < 2026.1.42026.1.4
References (1)
https://www.jetbrains.com/privacy-security/issues-fixed/ · [email protected]
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 1%
    epss
  • 30 SEP 15:17Z
    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
    cvelistv5