What is the CVSS score of CVE-2026-40775?

CVE-2026-40775 has a CVSS 3.1 base score of 7.3 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.2%.

Which versions of Royal Mcp are affected by CVE-2026-40775?

The Royal MCP WordPress plugin through version 1.4.2 contains an authorization bypass vulnerability (CVE-2026-40775, CVSS 7.3) allowing attackers to invoke restricted administrative functions without…

How to fix or mitigate CVE-2026-40775?

Within 24 hours: Audit all WordPress installations for Royal MCP plugin versions ≤1.4.2 and immediately disable the plugin pending remediation. Within 7 days: Monitor the Patchstack advisory (EUVD-2026-36984) and WordPress plugin repository for patch availability; identify and test alternative plugins with equivalent functionality. Within 30 days: Deploy the patched version once released by the vendor, or complete migration to an alternative plugin after validation in non-production environment.

Royal Mcp CVE-2026-40775

EUVD-2026-36984 HIGH

Missing Authorization (CWE-862)

2026-06-15 Patchstack

GHSA-45gp-ghq2-mh75

Authentication Bypass Royal Mcp

7.3

CVSS 3.1 · Vendor: Patchstack

Severity by source

Vendor (Patchstack) PRIMARY

7.3 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Primary rating from Vendor (Patchstack) · only source for this CVE.

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Jun 15, 2026 - 22:09 vuln.today

DescriptionCVE.org

Unauthenticated Broken Access Control in Royal MCP <= 1.4.2 versions.

AnalysisAI

Broken access control in the Royal MCP WordPress plugin (versions 1.4.2 and earlier) allows remote attackers to invoke protected functionality without proper authorization checks. The flaw, classified as CWE-862 (Missing Authorization), was reported by Patchstack and tracked as EUVD-2026-36984. No public exploit identified at time of analysis, and the CVSS 7.3 score reflects low-complexity network exploitation with partial impact across confidentiality, integrity, and availability.