Sensitive Data Exposure in JetBrains TeamCity
CVE-2026-49377

4.3MEDIUM

Key Information:

Vendor

Jetbrains
Status
Teamcity
Vendor
CVE Published:
29 May 2026

What is CVE-2026-49377?

A vulnerability in JetBrains TeamCity versions prior to 2025.11.2 allows unauthorized access to sensitive data through the exposure of default agent parameters. This issue may lead to information leaks that can jeopardize the integrity and security of the affected systems. It is essential for users of TeamCity to upgrade to the latest version to mitigate this risk and secure sensitive data effectively.

Affected Version(s)

TeamCity 0 < 2025.11.2

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.