CVE-2026-65525 in Civi Framework Plugin
Summary
by MITRE • 07/23/2026
Unauthenticated Broken Access Control in Civi Framework <= 2.2.0 versions.
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Analysis
by VulDB Data Team • 07/23/2026
The vulnerability identified as unauthenticated broken access control within the Civi Framework versions 2.2.0 and earlier represents a critical security flaw that undermines the fundamental principles of access control mechanisms. This issue allows attackers to bypass authentication requirements and gain unauthorized access to protected resources and functionalities within the framework. The vulnerability stems from inadequate validation of user credentials and session management, creating pathways for malicious actors to exploit the system without proper authorization.
CWE-284 provides the foundational classification for this weakness, which specifically addresses insufficient access control mechanisms that permit unauthorized users to access resources or perform actions they should not be permitted to execute. The technical implementation flaw manifests through improper handling of authentication checks, where the framework fails to adequately verify user identities before granting access to sensitive operations or data. This broken access control allows attackers to manipulate request parameters, bypass authentication layers, and potentially execute administrative functions or access confidential information.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable a wide range of malicious activities including data exfiltration, privilege escalation, and system compromise. Attackers can exploit this weakness to perform actions such as viewing restricted user data, modifying configuration settings, executing arbitrary code, or even taking complete control of the affected systems. The vulnerability's severity is amplified by its unauthenticated nature, meaning that no valid credentials are required to exploit the flaw, making it particularly dangerous in environments where the framework handles sensitive information.
From an ATT&CK framework perspective, this vulnerability maps directly to the privilege escalation and initial access tactics, specifically targeting techniques such as credential access and exploitation of vulnerable applications. The attack surface is broadened by the fact that many applications built on the Civi Framework may not implement additional protective measures beyond what the framework provides, creating cascading security risks across interconnected systems. Organizations utilizing these vulnerable versions face significant exposure to data breaches, regulatory compliance violations, and potential financial losses.
The recommended mitigations include immediate upgrading to patched versions of the Civi Framework where available, implementing additional authentication layers through reverse proxies or API gateways, and conducting comprehensive security assessments of all applications built on this framework. Network segmentation and monitoring solutions should be deployed to detect anomalous access patterns that may indicate exploitation attempts. Additionally, organizations should implement proper input validation, output encoding, and session management practices to reduce the attack surface and prevent similar vulnerabilities from manifesting in other parts of their infrastructure.