CVE-2026-49379: CWE-522 in JetBrains TeamCity
CVE-2026-49379 is a medium severity vulnerability in JetBrains TeamCity versions before 2026.1 where credentials could be exposed in thread names. This exposure could allow an attacker with network access and low privileges to obtain sensitive credential information. The vulnerability does not impact integrity or availability but has high confidentiality impact. No official patch or remediation guidance has been provided yet by the vendor.
AI Analysis
Technical Summary
This vulnerability (CWE-522) in JetBrains TeamCity involves credentials being exposed in thread names prior to version 2026.1. An attacker with network access and low privileges could potentially read thread names and extract credential information. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, no user interaction, and high confidentiality impact. No official fix or patch is currently documented, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
The vulnerability allows exposure of sensitive credentials, leading to potential confidentiality breaches. There is no impact on integrity or availability. Exploitation requires network access and low privileges, which could facilitate unauthorized access if credentials are obtained.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit network access to TeamCity instances and restrict user privileges to reduce exposure risk.
CVE-2026-49379: CWE-522 in JetBrains TeamCity
Description
CVE-2026-49379 is a medium severity vulnerability in JetBrains TeamCity versions before 2026.1 where credentials could be exposed in thread names. This exposure could allow an attacker with network access and low privileges to obtain sensitive credential information. The vulnerability does not impact integrity or availability but has high confidentiality impact. No official patch or remediation guidance has been provided yet by the vendor.
CVSS v3.1
Score 6.5medium
Affected software
pkg:maven/org.jetbrains.teamcity/teamcity-serverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-522) in JetBrains TeamCity involves credentials being exposed in thread names prior to version 2026.1. An attacker with network access and low privileges could potentially read thread names and extract credential information. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, no user interaction, and high confidentiality impact. No official fix or patch is currently documented, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
The vulnerability allows exposure of sensitive credentials, leading to potential confidentiality breaches. There is no impact on integrity or availability. Exploitation requires network access and low privileges, which could facilitate unauthorized access if credentials are obtained.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit network access to TeamCity instances and restrict user privileges to reduce exposure risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-05-29T18:07:58.027Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a19dc0ee29bf47b50ff8692
Added to database: 05/29/2026, 18:33:50 UTC
Last enriched: 06/05/2026, 21:21:54 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 79
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