Auth bypass in Royal Mcp

CVE-2026-111960

The Royal MCP WordPress plugin before 1.5.10 does not perform object-level or post-type authorisation checks in one of its search tools, allowing authenticated users such as a subscriber to disclose the title and content of non-public entries, including personal data stored by a companion Royal MCP WordPress plugin before 1.5.10.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (4.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

  • Royal Mcp

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-111960?
CVE-2026-111960 is a medium-severity vulnerability in Royal Mcp, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-10-28.
How severe is CVE-2026-111960?
Medium severity. CVSS v3 base score is 4.3 out of 10.