CVE-2026-27939 in Statamic
Summary
by MITRE • 02/28/2026
Statmatic is a Laravel and Git powered content management system (CMS). Starting in version 6.0.0 and prior to version 6.4.0, Authenticated Control Panel users may under certain conditions obtain elevated privileges without completing the intended verification step. This can allow access to sensitive operations and, depending on the user’s existing permissions, may lead to privilege escalation. This has been fixed in 6.4.0.
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Analysis
by VulDB Data Team • 03/10/2026
The vulnerability identified as CVE-2026-27939 affects Statmatic, a content management system built on Laravel and Git technologies. This CMS platform serves as a web-based solution for content management and administration, with the affected version range spanning from 6.0.0 through 6.3.0. The flaw resides within the authentication and authorization mechanisms that govern user access to the control panel interface, specifically targeting the privilege escalation process that should normally require verification steps.
The technical implementation of this vulnerability stems from insufficient validation of user permissions within the control panel access flow. When authenticated users attempt to perform operations that require elevated privileges, the system fails to properly enforce the required verification procedures that would normally prevent unauthorized privilege escalation. This represents a classic authorization flaw that allows users to bypass intended security controls. The vulnerability manifests under specific conditions that depend on the user's existing permission levels and the nature of the operations they attempt to perform. According to CWE classification, this vulnerability maps to CWE-285: Improper Authorization, which encompasses scenarios where systems fail to properly verify that users are authorized to perform requested operations. The issue directly relates to the principle of least privilege, where users should only have access to resources necessary for their roles.
The operational impact of this vulnerability extends beyond simple access control bypass to potentially enable significant system compromise. An authenticated user who exploits this flaw can gain access to sensitive operations that should normally be restricted to administrators or users with higher privilege levels. Depending on the existing permissions of the compromised user account, this could lead to complete system takeover, data manipulation, or unauthorized access to confidential information. The vulnerability's exploitation does not require additional authentication beyond initial access to the control panel, making it particularly dangerous as it can be leveraged by users who already have legitimate access to the system. From an adversarial perspective, this aligns with ATT&CK technique T1078.004: Valid Accounts - Cloud Accounts, where attackers leverage legitimate accounts to escalate privileges within cloud-based systems.
The fix implemented in version 6.4.0 addresses the core authorization validation issue by strengthening the verification process for privilege escalation attempts. This remediation ensures that all elevated privilege operations require proper authentication and authorization checks before proceeding. The update likely includes enhanced session management, stricter permission validation, and improved access control logic that prevents unauthorized privilege elevation. Organizations using affected versions of Statmatic should prioritize immediate upgrade to version 6.4.0 or later to mitigate this risk. Security monitoring should focus on detecting unusual access patterns or privilege escalation attempts within the control panel, as these could indicate exploitation of this vulnerability. The vulnerability demonstrates the critical importance of proper authorization controls in web applications and highlights the necessity of regular security updates to address emerging threats in content management systems.