CVE-2026-86496: CWE-862 in JetBrains YouTrack
Description
In JetBrains YouTrack before 2026.2.18769 missing access control on Helpdesk authorized reporters exposed reporter email addresses
CVSS v3.1
Score 4.3medium
Affected software
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-2026-86496 is a missing access control vulnerability in JetBrains YouTrack prior to version 2026.2.18769. The flaw affects the Helpdesk feature where authorized reporters' email addresses were exposed due to insufficient access restrictions. The vulnerability has a CVSS 3.1 base score of 4.3, indicating a medium impact primarily on confidentiality. There are no known exploits in the wild, and the affected versions are all versions before 2026.2.18769. No explicit patch links or vendor advisories were provided in the input data.
Potential Impact
The vulnerability allows unauthorized disclosure of reporter email addresses in the Helpdesk component of YouTrack. This impacts the confidentiality of user information but does not affect integrity or availability. The exposure could potentially lead to privacy concerns or targeted phishing but does not directly enable system compromise.
Mitigation Recommendations
A fix is available in JetBrains YouTrack version 2026.2.18769. Users should upgrade to this version or later to remediate the vulnerability. Since no vendor advisory was provided, users should verify the patch status with JetBrains official resources before applying updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-jcg8-m49q-x22g
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86496"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9f9113acd9273b49ff2bb8
Added to database: 09/08/2026, 04:37:39 UTC
Last enriched: 09/08/2026, 05:08:37 UTC
Last updated: 10/23/2026, 01:15:27 UTC
Views: 74
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