CVE-2026-49379: Medium severity JetBrains TeamCity vulnerability
Published May 29, 2026
·Updated
In JetBrains TeamCity before 2026.1 credentials could be exposed in thread names
Affected Software
2 affected components
JetBrains TeamCity<2026.1
JetBrains TeamCity<2026.1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
JetBrains TeamCityto a version that resolves this vulnerability.Fixed in 2026.1
Event History
May 29, 2026
CVE Published
via MITRE·06:15 PM
Data Sourced
via MITRE·06:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-49379?
The severity of CVE-2026-49379 is medium with a score of 6.5.
2
How do I fix CVE-2026-49379?
To fix CVE-2026-49379, upgrade to JetBrains TeamCity version 2026.1 or later.
3
What type of threat does CVE-2026-49379 pose?
CVE-2026-49379 can potentially expose credentials in thread names.
4
Which versions of JetBrains TeamCity are affected by CVE-2026-49379?
CVE-2026-49379 affects JetBrains TeamCity versions before 2026.1.
5
Are there any workarounds for CVE-2026-49379?
There are no official workarounds for CVE-2026-49379; updating is recommended.