CVE-2008-3909 in Django
Summary
by MITRE
The administration application in Django 0.91, 0.95, and 0.96 stores unauthenticated HTTP POST requests and processes them after successful authentication occurs, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and delete or modify data via unspecified requests.
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Analysis
by VulDB Data Team • 04/22/2026
The vulnerability identified as CVE-2008-3909 represents a critical security flaw in the Django web framework's administration application across versions 0.91, 0.95, and 0.96. This issue stems from a fundamental design weakness in how the framework handles authentication states and request processing, creating a window of opportunity for malicious actors to exploit the system's trust model. The vulnerability specifically targets the administrative interface where unauthenticated requests are temporarily stored and later executed once authentication is completed, effectively bypassing the normal CSRF protection mechanisms that should prevent unauthorized modifications to application data.
The technical implementation of this vulnerability occurs through the improper handling of HTTP POST requests within Django's admin interface. When a user attempts to access administrative functions without proper authentication, the system accepts and queues these requests rather than immediately rejecting them. Once the user successfully authenticates, the previously stored requests are processed with the privileges of the authenticated session, allowing attackers to manipulate the system's state through carefully crafted malicious requests. This behavior creates a race condition between authentication and request execution that directly violates the principle of least privilege and exposes the system to unauthorized operations.
The operational impact of this vulnerability extends beyond simple data modification capabilities to encompass full administrative control over affected applications. Attackers can leverage this flaw to perform unauthorized deletions, data alterations, and potentially gain access to sensitive system information. The unspecified nature of the requests suggests that the vulnerability affects multiple administrative functions within the Django framework, making it particularly dangerous as it could enable attackers to compromise various aspects of the application's functionality. This type of vulnerability falls under the CWE-352 category of Cross-Site Request Forgery, which is classified as a critical weakness in web application security.
From an attacker's perspective, this vulnerability provides a sophisticated method for conducting CSRF attacks that bypass traditional authentication mechanisms. The attacker does not need to directly exploit the authentication system itself but instead manipulates the request processing pipeline to execute malicious operations after successful authentication has occurred. This approach aligns with the ATT&CK framework's technique T1566, which involves phishing and social engineering to gain initial access, combined with T1078 for valid accounts usage to maintain persistence and execute privileged operations. The vulnerability essentially creates a backdoor through the legitimate authentication flow that allows attackers to perform administrative actions without needing to compromise credentials directly.
The mitigation strategies for this vulnerability require immediate attention through version upgrades to patched releases of Django, as the flaw exists in the core framework logic rather than in application-specific implementations. Organizations should implement additional CSRF protection measures such as anti-forgery tokens, request validation, and proper session management protocols to reduce the attack surface. The Django development team addressed this issue through enhanced authentication state management and proper request validation that ensures all requests are properly authenticated before processing, preventing the queuing of unauthenticated requests for later execution. System administrators should also implement monitoring solutions to detect anomalous administrative activities and establish proper access controls to limit the impact of potential exploitation attempts.