What is CVE-2026-54842?

CVE-2026-54842 is a high-severity vulnerability in Royal Plugins Mcp, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-06-25.

How severe is CVE-2026-54842?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Royal Plugins Mcp

CVE-2026-54842

Missing Authorization vulnerability in Royal Plugins Royal MCP allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Royal MCP: from n/a through 1.4.25.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Royal Plugins Mcp — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-54842?: CVE-2026-54842 is a high-severity vulnerability in Royal Plugins Mcp, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-06-25.
How severe is CVE-2026-54842?: High severity. CVSS v3 base score is 8.1 out of 10.