Critical severity · published Oct 6, 2026
CVE-2026-106218
In JetBrains TeamCity before 2026.1.3 2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible
10.0
CVSS
0.3%
EPSS
No
On KEV
Description
In JetBrains TeamCity before 2026.1.3
2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TeamCity · JetBrains
before 2026.1.3
2025.11.7 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-106218
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-106218
www.jetbrains.com
https://www.jetbrains.com/privacy-security/issues-fixed/
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