Is CVE-2026-66589 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-66589?

CVE-2026-66589 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-66589

Description

Missing Authorization vulnerability in Kings Plugins B2BKing allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects B2BKing: from n/a through 5.2.30.