CVE-2026-28076 in Guff Plugin
Summary
by MITRE • 03/05/2026
Missing Authorization vulnerability in Frenify Guff guff allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Guff: from n/a through <= 1.0.1.
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Analysis
by VulDB Data Team • 03/07/2026
The vulnerability identified as CVE-2026-28076 represents a critical missing authorization flaw within the Frenify Guff plugin, specifically impacting versions ranging from the initial release through version 1.0.1. This security weakness stems from improperly configured access control mechanisms that fail to validate user permissions before granting access to sensitive functionality. The issue manifests as an incorrect configuration of security levels that should normally restrict access to administrative features based on user roles and privileges. Attackers can exploit this vulnerability to bypass intended authorization checks and gain unauthorized access to protected resources or functionality within the affected system.
The technical implementation of this vulnerability falls under CWE-285, which specifically addresses improper authorization scenarios in software systems. This misconfiguration allows malicious actors to perform actions that should be restricted to privileged users, potentially enabling them to manipulate core system components, modify critical data, or execute unauthorized administrative operations. The flaw exists in the plugin's access control validation logic where proper authentication checks are either missing entirely or inadequately implemented, creating a pathway for unauthorized users to escalate their privileges or access restricted areas of the application.
From an operational impact perspective, this vulnerability creates significant risk for organizations using the affected Guff plugin, particularly those that rely on it for content management or administrative functions. The exploitation of this missing authorization control could lead to complete system compromise, data breaches, or unauthorized modification of critical system parameters. Attackers could leverage this vulnerability to perform actions such as creating new user accounts, modifying existing content, accessing sensitive configuration files, or potentially escalating to full administrative control over the affected platform. The impact extends beyond immediate security concerns to include potential compliance violations and reputational damage.
Mitigation strategies for this vulnerability should focus on immediate remediation through the application of available patches or updates that address the authorization implementation flaws. Organizations should implement comprehensive access control reviews to identify and rectify similar misconfigurations within their broader system infrastructure. Security teams must ensure that all authentication and authorization mechanisms are properly validated and tested, implementing principle of least privilege configurations where users can only access resources necessary for their specific roles. Additionally, regular security audits and penetration testing should be conducted to identify and remediate similar access control vulnerabilities across all system components, following established security frameworks such as those outlined in the NIST Cybersecurity Framework and ISO 27001 standards.