CVE-2026-100253
highIn 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
Vendor / product: Jetbrains — teamcity
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
CVSS
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (cve@jetbrains.com)
Timeline (UTC)
Published: 2026-09-30 16:16
Modified: 2026-10-06 16:40
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
jetbrains / teamcity <2025.11.8, ≥2026.1 <2026.1.4
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.jetbrains.com/privacy-security/issues-fixed/
References
- https://www.jetbrains.com/privacy-security/issues-fixed/ cve@jetbrains.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗