CVE-2026-27396 in Directory Pro Plugin
Summary
by MITRE • 03/05/2026
Missing Authorization vulnerability in e-plugins Directory Pro directory-pro allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Directory Pro: from n/a through <= 2.5.6.
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Analysis
by VulDB Data Team • 03/11/2026
The vulnerability identified as CVE-2026-27396 represents a critical missing authorization flaw within the e-plugins Directory Pro directory-pro component that exposes systems to unauthorized access through incorrectly configured access control security levels. This weakness specifically impacts versions of Directory Pro ranging from the initial release through version 2.5.6, creating a persistent security risk for organizations relying on this directory management solution. The vulnerability stems from insufficient access control mechanisms that fail to properly validate user permissions before granting access to sensitive directory functions and data.
The technical implementation of this flaw manifests as an inadequate authorization check within the directory-pro component where the system does not properly verify whether authenticated users possess the necessary privileges to perform specific directory operations. This misconfiguration allows attackers to bypass intended access controls and potentially access restricted directory information, modify directory entries, or perform administrative functions without proper authorization. The vulnerability operates at the application level and can be exploited through various attack vectors including web interface manipulation, API endpoint abuse, or direct parameter injection techniques that leverage the missing authorization checks.
From an operational impact perspective, this vulnerability creates significant risk for organizations using Directory Pro as it could enable unauthorized users to gain access to sensitive directory information including user accounts, group memberships, access permissions, and other directory attributes that should remain restricted. The potential for privilege escalation exists when attackers can manipulate the incorrectly configured access control security levels to assume higher privileges within the directory structure. This could result in data breaches, unauthorized system modifications, and compromise of the entire directory service infrastructure.
Security professionals should consider this vulnerability in the context of CWE-285 which addresses improper authorization issues in software systems, and align it with ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting. Organizations should implement immediate mitigations including updating to patched versions of Directory Pro, implementing additional access control layers, conducting thorough security audits of directory configurations, and monitoring for unauthorized access attempts. The vulnerability also highlights the importance of proper security configuration management and regular vulnerability assessments to identify and remediate similar authorization flaws in directory services and other enterprise applications.
The remediation approach should focus on strengthening access control mechanisms within the directory-pro component, ensuring proper validation of user permissions, and implementing defense-in-depth strategies that include network segmentation, enhanced monitoring, and regular security testing. Organizations must also review their overall directory service security posture to identify additional configuration issues that could compound the impact of this vulnerability. Given the persistent nature of access control misconfigurations, regular security assessments and continuous monitoring remain essential for maintaining secure directory service environments.