CVE-2026-24543 in Materialis Companion Plugin
Summary
by MITRE • 01/23/2026
Missing Authorization vulnerability in Horea Radu Materialis Companion materialis-companion allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Materialis Companion: from n/a through <= 1.3.52.
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Analysis
by VulDB Data Team • 01/23/2026
The CVE-2026-24543 vulnerability represents a critical missing authorization flaw within the Materialis Companion software platform, specifically impacting versions ranging from the initial release through version 1.3.52. This security weakness stems from incorrectly configured access control security levels that allow unauthorized exploitation of the system's protective mechanisms. The vulnerability falls under the broader category of inadequate access control implementations that can severely compromise the integrity and confidentiality of protected resources within the materialis-companion application ecosystem.
The technical implementation of this flaw manifests through improper authorization checks that fail to validate user credentials or privileges before granting access to sensitive functionalities. When the system processes requests without sufficient validation of the requester's authorization level, it creates an attack surface where malicious actors can bypass intended security boundaries. This misconfiguration typically occurs when the application fails to properly enforce role-based access controls or fails to validate session tokens and authentication states before permitting access to restricted operations. The vulnerability is particularly concerning because it affects the core access control mechanisms that should protect sensitive data and administrative functions within the Materialis Companion platform.
From an operational impact perspective, this missing authorization vulnerability can result in unauthorized access to critical system functions and data repositories within the materialis-companion environment. Attackers exploiting this flaw could potentially gain access to confidential material information, manipulate system configurations, or execute administrative commands without proper authorization. The consequences extend beyond simple data exposure to include potential system compromise, data integrity violations, and unauthorized modification of material specifications or processing parameters. Organizations relying on Materialis Companion for material management and processing workflows face significant operational risks when this vulnerability remains unaddressed, as it undermines the fundamental security posture of their material handling systems.
Security professionals should recognize this vulnerability as a variant of CWE-285, which specifically addresses improper authorization scenarios in software applications. The flaw aligns with ATT&CK technique T1078.004, which covers valid accounts using compromised credentials, as attackers could leverage this authorization bypass to gain elevated privileges within the system. Mitigation strategies should include immediate implementation of proper access control validation mechanisms, regular security audits of authorization logic, and comprehensive testing of access control configurations. Organizations must also establish robust monitoring procedures to detect unauthorized access attempts and ensure that all user interactions with the materialis-companion system undergo rigorous authorization verification before any privileged operations are permitted. The vulnerability underscores the critical importance of implementing defense-in-depth strategies that include multiple layers of access control validation to prevent single points of failure in security enforcement.