CVE-2026-100258: CWE-201 in JetBrains YouTrack
A vulnerability in JetBrains YouTrack before version 2026.2.18991 allows read-only users to access project settings due to missing authorization checks. This issue is identified as CWE-201 (Information Exposure Through Sent Data). The vulnerability has a medium severity with a CVSS score of 4.3.
AI Analysis
Technical Summary
CVE-2026-100258 is a security vulnerability in JetBrains YouTrack versions prior to 2026.2.18991 where missing authorization controls permit read-only users to read project settings. This exposure could lead to unauthorized disclosure of project configuration details. The vulnerability is classified under CWE-201, indicating information exposure through sent data. The CVSS v3.1 base score is 4.3, reflecting a medium impact primarily on confidentiality with no impact on integrity or availability.
Potential Impact
The vulnerability allows users with read-only privileges to access project settings that should be restricted, potentially exposing sensitive configuration information. There is no impact on data integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available in JetBrains YouTrack version 2026.2.18991. Users should upgrade to this version or later to remediate the vulnerability. Since this is not a cloud service, manual patching is required. Patch status is confirmed by the version information provided.
CVE-2026-100258: CWE-201 in JetBrains YouTrack
Description
A vulnerability in JetBrains YouTrack before version 2026.2.18991 allows read-only users to access project settings due to missing authorization checks. This issue is identified as CWE-201 (Information Exposure Through Sent Data). The vulnerability has a medium severity with a CVSS score of 4.3.
CVSS v3.1
Score 4.3medium
Affected software
JetBrains
YouTrack
pkg:github/jetbrains/YouTrackRun 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
CVE-2026-100258 is a security vulnerability in JetBrains YouTrack versions prior to 2026.2.18991 where missing authorization controls permit read-only users to read project settings. This exposure could lead to unauthorized disclosure of project configuration details. The vulnerability is classified under CWE-201, indicating information exposure through sent data. The CVSS v3.1 base score is 4.3, reflecting a medium impact primarily on confidentiality with no impact on integrity or availability.
Potential Impact
The vulnerability allows users with read-only privileges to access project settings that should be restricted, potentially exposing sensitive configuration information. There is no impact on data integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available in JetBrains YouTrack version 2026.2.18991. Users should upgrade to this version or later to remediate the vulnerability. Since this is not a cloud service, manual patching is required. Patch status is confirmed by the version information provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-09-25T17:02:04.084Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abd2c302a4e24523d2ec2f4
Added to database: 09/30/2026, 15:35:12 UTC
Last enriched: 09/30/2026, 16:18:03 UTC
Last updated: 10/01/2026, 03:42:20 UTC
Views: 12
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