CVE-2026-54842 WordPress Royal MCP plugin <= 1.4.25 - Broken Access Control vulnerability

High 8.1 Published Updated

Attackers can bypass access controls in the Royal MCP WordPress plugin to perform unauthorized actions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-54842?

CVE-2026-54842 is a high-severity missing authorization vulnerability in Royal MCP, published on 25 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-54842?

How do I fix CVE-2026-54842?

No fix has been published for CVE-2026-54842 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-54842 being exploited?

There is no known exploitation of CVE-2026-54842 in the wild and no public exploit code.

Sources

Also known as GHSA-7649-6hf2-rxrp.

Is CVE-2026-54842 in your software?

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