Credential Exposure in JetBrains TeamCity Affects User Security
CVE-2026-49378

4.3MEDIUM

Key Information:

Vendor

Jetbrains
Status
Teamcity
Vendor
CVE Published:
29 May 2026

What is CVE-2026-49378?

In JetBrains TeamCity versions prior to 2026.1, a vulnerability exists where sensitive credential parameters are exposed via parameter autocompletion features. This exposure can potentially allow unauthorized access to sensitive user information, posing a significant risk to users' security and data integrity.

Affected Version(s)

TeamCity 0 < 2026.1

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

.