1. Home
  2. CVE Database
  3. CVE-2026-65906
HIGH · 8.8

CVE-2026-65906

In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible

Vulnerability Description

In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
JetbrainsTeamcity< 2025.11.6

Related Weaknesses (CWE)

CWE-94

References

FAQ

What is CVE-2026-65906?

CVE-2026-65906 is a vulnerability with a CVSS score of 8.8 (HIGH). In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible

How severe is CVE-2026-65906?

CVE-2026-65906 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-65906?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Teamcity.