CVE-2026-84840 in tsi-dpdp-cms
Summary
by MITRE • 09/02/2026
A vulnerability was identified in tsi-coop tsi-dpdp-cms up to 0.5.0. This affects an unknown part of the file InterceptingFilter.java of the component Bootstrap Setup Endpoint. The manipulation leads to missing authentication. The attack can be initiated remotely. The exploit is publicly available and might be used. Upgrading to version 0.5.1 is able to mitigate this issue. Upgrading the affected component is recommended.
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Analysis
by VulDB Data Team • 09/02/2026
The tsi-coop tsi-dpdp-cms software, specifically versions up through 0.5.0, contains a critical security flaw within its Bootstrap Setup Endpoint component. This vulnerability resides in an unspecified section of the InterceptingFilter.java file and represents a fundamental failure in access control mechanisms. The core technical issue is characterized by missing authentication requirements for specific administrative or setup operations. In web application architectures, intercepting filters are typically responsible for enforcing security policies such as session validation, role-based access control, and input sanitization before requests reach the actual business logic handlers. When this filter fails to properly validate credentials or tokens for certain endpoints, it creates an unauthorized entry point that bypasses intended security boundaries. This type of flaw is commonly categorized under CWE-287, which denotes Improper Authentication, indicating that the system failed to adequately verify the identity of a user attempting to access protected resources.
The operational impact of this vulnerability is severe due to its remote exploitability and the nature of the affected component. The Bootstrap Setup Endpoint likely handles initial configuration or administrative setup tasks for the content management system. If an attacker can manipulate requests sent to this endpoint without providing valid authentication credentials, they may gain unauthorized access to sensitive configuration settings. This could allow malicious actors to alter system parameters, inject malicious code into the application context, or escalate privileges within the environment. The fact that a public exploit is available significantly increases the risk landscape, as it lowers the barrier for entry for opportunistic attackers who do not require sophisticated custom tooling. Such vulnerabilities are often mapped to MITRE ATT&CK techniques related to Initial Access and Privilege Escalation, particularly those involving exploitation of software misconfigurations or authentication bypasses. The availability of an exploit means that automated scanning tools and threat actors can readily identify and compromise vulnerable instances in the wild, leading to potential data breaches, service disruption, or complete system takeover depending on the privileges associated with the bootstrap process.
Mitigation strategies must prioritize immediate remediation given the public nature of the exploit. The vendor has released version 0.5.1 which addresses this specific authentication bypass flaw within the InterceptingFilter.java component. Organizations running affected versions should upgrade to 0.5.1 as soon as possible to restore proper access control enforcement. In addition to upgrading, administrators should implement network-level controls such as web application firewalls that can detect and block anomalous requests targeting setup endpoints if immediate patching is not feasible. It is also advisable to review audit logs for any signs of unauthorized configuration changes or suspicious activity during the window when the vulnerability was present in production environments. Regular security assessments and penetration testing should be conducted post-upgrade to ensure no residual misconfigurations remain, particularly focusing on how intercepting filters are configured across all endpoints within the application framework.