CVE-2026-106218 JetBrains TeamCity - Remote Code Execution

JetBrains TeamCity < 2026.1.3 contains a remote code execution caused by Kotlin DSL sandbox escape, letting attackers execute arbitrary code on the server, exploit requires Kotlin DSL usage.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.28% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-184

Vendor fix

Upgrade to version 2026.1.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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