CVE-2026-103488: CWE-863 in JetBrains YouTrack
In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues
AI Analysis
Technical Summary
This vulnerability (CWE-863) in JetBrains YouTrack before version 2026.2.19422 involves missing authorization checks that permit authenticated users to escalate their privileges by adding themselves to project teams. This unauthorized access enables them to view issues that should be restricted, potentially exposing sensitive project information.
Potential Impact
Exploitation of this vulnerability results in unauthorized access to restricted project issues, compromising confidentiality. The CVSS 3.1 score of 7.1 reflects high impact on confidentiality with limited impact on integrity and no impact on availability.
Mitigation Recommendations
A fix is available in JetBrains YouTrack version 2026.2.19422. Users should upgrade to this version or later to remediate the vulnerability.
CVE-2026-103488: CWE-863 in JetBrains YouTrack
Description
In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues
CVSS v3.1
Score 7.1high
Affected software
JetBrains
YouTrack
pkg:maven/com.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
This vulnerability (CWE-863) in JetBrains YouTrack before version 2026.2.19422 involves missing authorization checks that permit authenticated users to escalate their privileges by adding themselves to project teams. This unauthorized access enables them to view issues that should be restricted, potentially exposing sensitive project information.
Potential Impact
Exploitation of this vulnerability results in unauthorized access to restricted project issues, compromising confidentiality. The CVSS 3.1 score of 7.1 reflects high impact on confidentiality with limited impact on integrity and no impact on availability.
Mitigation Recommendations
A fix is available in JetBrains YouTrack version 2026.2.19422. Users should upgrade to this version or later to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-09-30T17:07:12.302Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abe7488a43b0b3b89bd1c5b
Added to database: 10/01/2026, 14:56:08 UTC
Last enriched: 10/01/2026, 15:16:19 UTC
Last updated: 10/01/2026, 22:26:05 UTC
Views: 4
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