Remote Code Execution Vulnerability in JetBrains TeamCity
CVE-2026-111094

8.1HIGH

Key Information:

Vendor

Jetbrains
Status
Teamcity
Vendor
CVE Published:
15 October 2026

What is CVE-2026-111094?

A remote code execution vulnerability exists in JetBrains TeamCity, allowing attackers to exploit a whitelist bypass in the build messages protocol. This flaw can be exploited by malicious actors to execute arbitrary code on the server, potentially compromising the integrity and confidentiality of the affected systems. Users of affected versions are advised to update to the latest version to mitigate this risk.

Affected Version(s)

TeamCity 0 < 2026.2, 2026.1.4, 2025.11.8

References

https://www.jetbrains.com/privacy-security/issues-fixed/

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.