CVE-2026-65479 in Reviewer Plugin
Summary
by MITRE • 07/23/2026
Subscriber Broken Access Control in Reviewer <= 3.14.2 versions.
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Analysis
by VulDB Data Team • 07/23/2026
The vulnerability identified as broken access control in Reviewer versions up to 3.14.2 represents a critical security flaw that allows unauthorized users to bypass authentication mechanisms and gain elevated privileges within the system. This weakness stems from improper implementation of access control checks that should prevent users from accessing resources or performing actions beyond their designated permissions. The vulnerability affects the core authorization framework of the Reviewer application, which is commonly used for content review and management operations in various digital platforms.
The technical implementation flaw manifests when the application fails to properly validate user roles and permissions during critical operations such as accessing administrative functions, modifying content, or viewing sensitive data. Attackers can exploit this weakness by manipulating request parameters or bypassing authentication flows entirely, potentially gaining access to restricted areas of the system that should only be available to authorized personnel. This type of vulnerability falls under the CWE-285 category for improper authorization, which is a fundamental security principle that requires systems to verify that users have appropriate permissions before granting access to resources. The flaw typically occurs due to insufficient input validation, missing access control checks, or flawed permission models within the application's codebase.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can lead to complete system compromise when combined with other exploitation techniques. An attacker who successfully exploits this broken access control weakness could potentially modify or delete critical content, escalate privileges to administrative levels, or access confidential user data. In enterprise environments where Reviewer is deployed for content management, this vulnerability could result in data breaches, compliance violations, and significant operational disruption. The risk is particularly elevated when the application handles sensitive information such as personal data, intellectual property, or regulated content that requires strict access controls according to industry standards like iso/iec 27001 and nist cybersecurity framework.
Mitigation strategies for this vulnerability should include immediate patching of affected versions to the latest stable releases where access control mechanisms have been properly implemented. Organizations should conduct comprehensive security assessments to identify all instances of the vulnerable software within their infrastructure, as well as implement proper input validation and access control checks throughout the application. The remediation process must ensure that all user interactions are properly authenticated and authorized according to principle of least privilege, where users only have access to resources necessary for their specific roles. Additionally, organizations should consider implementing security monitoring solutions that can detect anomalous access patterns or unauthorized attempts to escalate privileges, aligning with the mitre att&ck framework's techniques for privilege escalation and credential access. Regular security testing including penetration testing and code reviews should be performed to prevent similar issues from occurring in future deployments.
The vulnerability demonstrates the critical importance of proper access control implementation in web applications, particularly those handling user-generated content or administrative functions. It serves as a reminder that even seemingly simple authorization flaws can have devastating consequences when exploited by malicious actors. Organizations must prioritize security in their development lifecycle through secure coding practices, regular security assessments, and maintaining up-to-date software versions to protect against known vulnerabilities in third-party components.