What is CVE-2026-27346?

CVE-2026-27346 is a medium-severity vulnerability in Kings Plugins B2bking, classified under Missing Authorization. CVSS score: 4.9/10. Published 2026-05-25.

How severe is CVE-2026-27346?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Auth bypass in Kings Plugins B2bking

CVE-2026-27346

Missing Authorization vulnerability in Kings Plugins B2BKing allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects B2BKing: from n/a before 5.2.10.

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Kings Plugins B2bking — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-27346?: CVE-2026-27346 is a medium-severity vulnerability in Kings Plugins B2bking, classified under Missing Authorization. CVSS score: 4.9/10. Published 2026-05-25.
How severe is CVE-2026-27346?: Medium severity. CVSS v3 base score is 4.9 out of 10.