Improper Permission Checks in JetBrains TeamCity Affecting Build Configurations
CVE-2026-49374

7.6HIGH

Key Information:

Vendor

Jetbrains
Status
Teamcity
Vendor
CVE Published:
29 May 2026

What is CVE-2026-49374?

In JetBrains TeamCity prior to version 2026.1, an improper permission check allows unauthorized access to sensitive build configuration parameters. This exposure can lead to unauthorized users manipulating build setups and executing potentially harmful operations, significantly impacting the integrity of the development and deployment processes.

Affected Version(s)

TeamCity 0 < 2026.1

References

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

CVSS V3.1

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.