In JetBrains TeamCity before 2026.1.3
2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 2
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Jetbrains Teamcity
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*
|
— |
2025.11.7
|
|
Jetbrains Teamcity
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*
|
2026.1.1
|
2026.1.3
|