Is CVE-2026-86494 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-86494?

CVE-2026-86494 has a CVSS v3 severity of HIGH (7.7).

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Description

In JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inaccessible issues