Is CVE-2026-86497 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-86497?

CVE-2026-86497 has a CVSS v3 severity of MEDIUM (6.8).

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CVE-2026-86497

Description

In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials