CVE-2026-86495: CWE-862 in JetBrains YouTrack
CVE-2026-86495 is a vulnerability in JetBrains YouTrack before version 2026.2.18687 where missing permission checks allowed users with limited privileges to create knowledge base articles in projects they should not have access to.
AI Analysis
Technical Summary
This vulnerability (CWE-862) in JetBrains YouTrack involves missing authorization checks that permit users with limited privileges to create knowledge base articles in projects that are otherwise inaccessible to them. The issue affects versions prior to 2026.2.18687. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, requiring low privileges and no user interaction. The impact is limited to integrity, with no confidentiality or availability impact reported.
Potential Impact
An attacker with limited privileges can create knowledge base articles in projects they do not have access to, potentially leading to unauthorized content injection or manipulation within restricted projects. There is no reported impact on confidentiality or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch link is provided, users should monitor JetBrains advisories for updates and consider restricting permissions to trusted users until a fix is available.
CVE-2026-86495: CWE-862 in JetBrains YouTrack
Description
CVE-2026-86495 is a vulnerability in JetBrains YouTrack before version 2026.2.18687 where missing permission checks allowed users with limited privileges to create knowledge base articles in projects they should not have access to.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-862) in JetBrains YouTrack involves missing authorization checks that permit users with limited privileges to create knowledge base articles in projects that are otherwise inaccessible to them. The issue affects versions prior to 2026.2.18687. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, requiring low privileges and no user interaction. The impact is limited to integrity, with no confidentiality or availability impact reported.
Potential Impact
An attacker with limited privileges can create knowledge base articles in projects they do not have access to, potentially leading to unauthorized content injection or manipulation within restricted projects. There is no reported impact on confidentiality or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch link is provided, users should monitor JetBrains advisories for updates and consider restricting permissions to trusted users until a fix is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-09-07T16:13:38.550Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9ee85bacd9273b49f0e43c
Added to database: 09/07/2026, 16:37:47 UTC
Last enriched: 09/07/2026, 16:54:01 UTC
Last updated: 09/08/2026, 01:20:11 UTC
Views: 10
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