Credential Exposure in JetBrains TeamCity by JetBrains
CVE-2026-49379

6.5MEDIUM

Key Information:

Vendor

Jetbrains
Status
Teamcity
Vendor
CVE Published:
29 May 2026

What is CVE-2026-49379?

In JetBrains TeamCity versions prior to 2026.1, a security vulnerability allows sensitive credentials to be inadvertently exposed through thread names. This exposure may lead to unauthorized access if thread names are logged or monitored, potentially compromising user accounts and sensitive operations. Users are strongly advised to upgrade to the latest version to mitigate this vulnerability.

Affected Version(s)

TeamCity 0 < 2026.1

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.