In JetBrains YouTrack Vulnerability Tracked as CVE-2026-86499

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In JetBrains YouTrack Vulnerability Tracked as CVE-2026-86499. 14047 predefined search fields leaked all group names to any user, regardless of visibility permission The current severity signal is MEDIUM 4 3. No exploitation flag is present in the retained CyberDeltaForce data at this time; that status can change as vendor and threat-intelligence reporting develops.

A security weakness in the affected technology is being tracked as CVE-2026-86499. CVE-2026-86499 is a newly disclosed security weakness in the affected technology. The issue currently carries a MEDIUM 4 3 severity signal in the available reporting.

the development is primarily about a software weakness. Risk depends on whether the affected product and versions are present, whether the vulnerable function is reachable, whether exploitation is public or active, and what privileges the affected process carries. The issue currently carries a MEDIUM 4 3 severity signal in the CyberDeltaForce record.

The operational question is not simply the severity score, but whether the affected component is deployed, reachable, business-critical and protected by compensating controls. If you use the affected technology, first check whether the vulnerable component is actually present and reachable. Real risk depends on exposure, exploitability, compensating controls and the importance of the affected asset—not the CVSS number alone.

CVE-2026-86499 affects the affected technology. The story is primarily about a software weakness. The issue is tracked as CVE-2026-86499.

The current record lists the severity as MEDIUM 4.3. The current record does not mark the vulnerability as actively exploited. NIST NVD published the primary report used for this article on Sep 7, 2026.

Inventory affected products and versions. Validate external and internal reachability of the vulnerable function. Apply the vendor fix or mitigation and review telemetry for exploitation indicators when available.