CVE-2026-40775: CWE-862 Missing Authorization in Royal Plugins Royal MCP
CVE-2026-40775 is a high-severity vulnerability in Royal Plugins' Royal MCP product affecting versions up to and including 1.4.2. It involves unauthenticated broken access control, classified under CWE-862, allowing unauthorized users to bypass authorization checks. The vulnerability has a CVSS 3.1 base score of 7.3, indicating a significant risk with network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-40775 describes a missing authorization vulnerability (CWE-862) in Royal MCP versions <= 1.4.2 by Royal Plugins. This vulnerability allows unauthenticated attackers to bypass access control mechanisms, potentially leading to unauthorized access and modification of data or disruption of service. The CVSS 3.1 score of 7.3 reflects a network-exploitable issue with low complexity and no required privileges or user interaction, impacting confidentiality, integrity, and availability. The vendor has not provided a patch or official remediation level, and no exploits are currently known in the wild.
Potential Impact
Successful exploitation could allow unauthenticated attackers to bypass access controls, leading to unauthorized access to sensitive information, unauthorized modifications, and potential service disruption. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected Royal MCP installations and monitor for unusual activity related to access control bypass attempts.
CVE-2026-40775: CWE-862 Missing Authorization in Royal Plugins Royal MCP
Description
CVE-2026-40775 is a high-severity vulnerability in Royal Plugins' Royal MCP product affecting versions up to and including 1.4.2. It involves unauthenticated broken access control, classified under CWE-862, allowing unauthorized users to bypass authorization checks. The vulnerability has a CVSS 3.1 base score of 7.3, indicating a significant risk with network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.3high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40775 describes a missing authorization vulnerability (CWE-862) in Royal MCP versions <= 1.4.2 by Royal Plugins. This vulnerability allows unauthenticated attackers to bypass access control mechanisms, potentially leading to unauthorized access and modification of data or disruption of service. The CVSS 3.1 score of 7.3 reflects a network-exploitable issue with low complexity and no required privileges or user interaction, impacting confidentiality, integrity, and availability. The vendor has not provided a patch or official remediation level, and no exploits are currently known in the wild.
Potential Impact
Successful exploitation could allow unauthenticated attackers to bypass access controls, leading to unauthorized access to sensitive information, unauthorized modifications, and potential service disruption. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected Royal MCP installations and monitor for unusual activity related to access control bypass attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-15T09:20:36.793Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a30614e0b89be688893d28c
Added to database: 06/15/2026, 20:32:14 UTC
Last enriched: 06/23/2026, 15:30:47 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 61
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