CVE-2026-86481: CWE-639 in JetBrains YouTrack
Description
In JetBrains YouTrack before 2026.2.18634 signed URL reuse allowed disclosure of restricted project icons
CVSS v3.1
Score 4.3medium
Affected software
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
CVE-2026-86481 is a vulnerability in JetBrains YouTrack versions prior to 2026.2.18634 where signed URLs could be reused to disclose restricted project icons. The flaw relates to CWE-639 (Authorization Bypass Through User-Controlled Key) and allows an attacker with limited privileges to access project icons that should be restricted. The CVSS 3.1 base score is 4.3, reflecting a network attack vector with low complexity and requiring low privileges but no user interaction. There is no indication of impact on integrity or availability.
Potential Impact
The vulnerability allows disclosure of restricted project icons, potentially leaking information about project details that should remain confidential. There is no reported impact on data integrity or system availability. The confidentiality impact is limited to the exposure of project icons only.
Mitigation Recommendations
A fix is available in JetBrains YouTrack version 2026.2.18634. Users should upgrade to this version or later to remediate the vulnerability. Since this is not a cloud service, manual patching is required. No additional mitigations are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-56j6-vvj2-ggpp
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86481"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9f9117acd9273b49ff2d26
Added to database: 09/08/2026, 04:37:43 UTC
Last enriched: 09/08/2026, 04:53:24 UTC
Last updated: 10/22/2026, 01:15:26 UTC
Views: 123
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