CVE-2026-125771 in MCP Server Plugin
Summary
by MITRE • 11/15/2026
Incorrect Privilege Assignment vulnerability in AtlasAiDev MCP Server for WordPress ai-workflow-automation-ai-agent-hub allows Privilege Escalation.This issue affects MCP Server for WordPress: from n/a through 2.0.3.
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Analysis
by VulDB Data Team • 11/15/2026
The identified security flaw represents a critical misconfiguration within the access control mechanisms of the AtlasAiDev MCP Server, specifically targeting versions ranging from initial release up to version 2.0.3 of the ai-workflow-automation-ai-agent-hub plugin for WordPress. This vulnerability stems directly from an incorrect privilege assignment logic embedded in the server's authentication and authorization subsystems. In a properly secured application environment, every request must be validated against the current user’s role capabilities before any action is executed. However, due to this specific implementation error, the system fails to adequately verify whether the requesting entity possesses the necessary permissions for the intended operation. This breakdown in security logic allows an attacker who has obtained low-level access credentials or can interact with public-facing endpoints to bypass standard restrictions and perform actions reserved exclusively for higher-privileged roles such as administrators.
From a technical perspective, this flaw aligns closely with CWE-269, which classifies Improper Privilege Management vulnerabilities where software does not properly assign privileges to actors based on their assigned security levels. The operational impact of this vulnerability is severe because it facilitates privilege escalation, enabling an attacker to transition from a limited user state to full administrative control over the WordPress installation and its associated AI workflow automation features. Once elevated privileges are achieved, the adversary can manipulate system configurations, inject malicious code into automated workflows, access sensitive database contents, or potentially achieve remote code execution depending on how the MCP Server integrates with underlying infrastructure. This compromises not only the confidentiality of stored data but also the integrity and availability of the entire web application ecosystem supported by this plugin.
The presence of such a vulnerability in an AI agent hub introduces additional risks related to trust boundaries between automated agents and human administrators. If attackers can escalate privileges, they may manipulate the behavior of autonomous workflows, leading to unauthorized actions being performed under the guise of legitimate automation processes. This undermines the reliability of business logic dependent on these tools and exposes organizations to significant operational disruptions and data breaches. The scope of impact extends beyond simple account takeover, as it potentially allows for persistent backdoors within automated systems that may operate with elevated system-level permissions depending on the hosting environment configuration.
To mitigate this risk, immediate action is required by upgrading the AtlasAiDev MCP Server plugin to a version later than 2.0.3 where these privilege assignment checks have been corrected and validated. Administrators should also implement strict input validation and enforce principle of least privilege across all user roles within the WordPress dashboard. It is advisable to review server logs for any signs of unauthorized access attempts or anomalous activity indicative of exploitation prior to patching. Furthermore, organizations should consider deploying web application firewalls that can detect patterns associated with privilege escalation attacks and restrict direct API access to authenticated administrative endpoints only. Regular security audits focusing on authorization logic are essential to prevent similar misconfigurations in future updates or custom integrations involving AI-driven automation tools.