CVE-2026-104397 in Name Directory Plugin
Summary
by MITRE • 10/05/2026
Missing Authorization vulnerability in Jeroen Peters Name Directory name-directory allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Name Directory: from n/a through 1.34.2.
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Analysis
by VulDB Data Team • 10/05/2026
The identified security flaw represents a critical failure in access control mechanisms within the Name Directory software, specifically affecting versions ranging from initial releases up to version 1.34.2. This vulnerability is classified as Missing Authorization, which corresponds directly to CWE-862: Missing Authorization. In secure application architecture, authorization checks must be performed on every request to ensure that a user or process has the necessary permissions to access specific resources or perform certain actions. The presence of this flaw indicates that the software fails to adequately verify these permissions before granting access to sensitive data or administrative functions within the directory service.
The technical root cause lies in an incorrectly configured security level for access control. Rather than relying on robust, centralized authentication and authorization protocols such as Role-Based Access Control (RBAC) or Attribute-Based Access Control (ABAC), the application likely relies on flawed logic that can be bypassed by attackers. This misconfiguration allows unauthorized entities to interact with protected endpoints or data structures without valid credentials or sufficient privilege levels. The vulnerability essentially creates a gap where the system assumes trust based on incomplete validation, enabling an attacker to manipulate requests and escalate privileges or retrieve confidential information that should remain restricted.
From an operational perspective, this weakness poses significant risks to the confidentiality and integrity of directory services. Name directories often store critical identity data, including user profiles, contact details, and potentially authentication credentials or security identifiers. An attacker exploiting this vulnerability could perform unauthorized reads to exfiltrate sensitive personal identifiable information (PII) or organizational structure data. Furthermore, depending on the specific implementation flaws, it may allow for write operations such as modifying directory entries, creating new accounts with elevated privileges, or deleting critical records. This undermines the fundamental trust model of the identity management system and can serve as a foothold for broader network compromise.
In terms of threat modeling, this vulnerability aligns with MITRE ATT&CK techniques related to Privilege Escalation and Collection via Unsecured APIs. Attackers typically exploit such flaws by crafting specific HTTP requests or API calls that omit required authorization tokens or manipulate parameter values to bypass server-side checks. The impact is compounded if the Name Directory integrates with other enterprise systems, as compromised directory data can facilitate lateral movement within a network or enable phishing campaigns using legitimate-looking contact information harvested from the directory.
To mitigate this vulnerability, immediate action must be taken by upgrading the software to version 1.34.2 or later, where these access control issues have been addressed in subsequent patches. For systems that cannot yet be upgraded, administrators should implement strict network-level controls such as firewall rules and Web Application Firewalls (WAF) to restrict access to Name Directory endpoints only from trusted IP addresses and authorized services. Additionally, implementing robust logging and monitoring solutions can help detect anomalous access patterns indicative of exploitation attempts. It is also advisable to conduct a thorough review of all API endpoints within the application to ensure that every action requires explicit authorization checks against verified user roles or permissions, thereby closing the gap created by the missing authorization logic.