CVE-2026-93529 in WSP MCP AI Agents Connector Plugin
Summary
by MITRE • 09/23/2026
Contributor Broken Access Control in WSP MCP – AI Agents Connector <= 2.7.0 versions.
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Analysis
by VulDB Data Team • 09/23/2026
The vulnerability identified as a contributor broken access control issue within the WSP MCP AI Agents Connector, specifically affecting versions up to and including 2.7.0, represents a critical flaw in how the application manages user privileges and resource authorization. This type of vulnerability falls squarely under the category of Broken Access Control, which is consistently ranked among the top security risks for web applications by industry standards such as OWASP Top Ten. In this specific context, the defect allows an authenticated attacker to bypass intended restrictions on access to resources or functions that they should not be able to perform. The root cause typically lies in insufficient server-side validation of user roles and permissions when processing requests related to agent configuration, data retrieval, or execution commands within the connector framework.
From a technical perspective, the flaw likely stems from improper enforcement of role-based access control mechanisms where the application relies on client-side checks or fails to verify the current session's privileges against the requested action for every API endpoint or internal function call. An attacker can exploit this by manipulating HTTP requests to interact with administrative endpoints or sensitive data stores that are meant to be restricted to higher-privileged users, such as system administrators or security operators. By crafting specific payloads that target these unprotected routes, the adversary can escalate their privileges within the application environment without needing valid credentials for those elevated roles. This bypass of access controls is a classic example of CWE-269 Improper Privilege Management and often intersects with CWE-862 Missing Authorization checks in the Common Weakness Enumeration database.
The operational impact of this vulnerability is severe, particularly given that the WSP MCP AI Agents Connector facilitates interactions between enterprise systems and artificial intelligence agents. If an attacker successfully exploits this broken access control, they may gain unauthorized visibility into sensitive organizational data processed by these agents or manipulate agent behavior to execute malicious logic within the connected infrastructure. This could lead to a complete compromise of confidentiality for proprietary information, integrity issues where critical business processes are altered through rogue AI commands, and availability disruptions if the attacker forces resource exhaustion or destructive operations via the compromised connector. The risk is amplified in environments where these connectors integrate with backend databases or cloud services that hold high-value assets.
In terms of threat modeling, this vulnerability aligns with ATT&CK techniques related to Privilege Escalation on local systems and potentially lateral movement if the connected agents have access to other network segments. Attackers can leverage this weakness as an initial foothold within a broader attack chain, using the elevated permissions obtained through the connector to pivot further into the enterprise network or exfiltrate data that would otherwise be protected by perimeter defenses. The lack of proper authorization checks effectively neutralizes many layered security controls designed to protect specific application functions from unauthorized users.
To mitigate this risk, immediate action is required for organizations running versions 2.7.0 and earlier of the WSP MCP AI Agents Connector. The primary remediation step is to upgrade to a patched version where the vendor has implemented strict server-side authorization checks for all endpoints and API calls. Developers should ensure that every request validates the user's role against an allow-list or deny-list before processing any sensitive operation, adhering to the principle of least privilege. Additionally, implementing robust logging and monitoring for access control violations can help detect exploitation attempts in real-time. Security teams should also review their integration configurations to minimize the permissions granted to the connector service account, ensuring that even if this vulnerability is exploited, the blast radius remains contained within a limited scope of resources.