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High 8.8Published Sep 30, 2026
CVE-2026-100253In 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
Updated under an hour ago ()
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It affects JetBrains TeamCity. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.44%, higher than 37% of scored CVEs.
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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 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-184
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.44% (percentile 37)
- Assigned by
- JetBrains
- NVD analysis
- Analyzed
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
JetBrains TeamCity jetbrains:teamcity (from the name) | before 2026.2,
2026.1.4,
2025.11.8 | CNA record |
jetbrains teamcity jetbrains:teamcity | before 2025.11.8; from 2026.1 before 2026.1.4 | NVD |
References
- https://www.jetbrains.com/privacy-security/issues-fixed/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.