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CVE-2026-100253

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/09/2026
Last modified:
06/10/2026

Description

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

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:* 2025.11.8 (excluding)
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:* 2026.1 (including) 2026.1.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools