CVE-2026-69082 in CTI-Transmute
Summary
by MITRE • 08/03/2026
CTI-Transmute contained a cross-site request forgery vulnerability in the administrative user deletion functionality. The /account/delete/<id> endpoint accepted HTTP GET requests for an operation that modified application state.
An unauthenticated remote attacker could construct a malicious link or embed a request targeting this endpoint and induce an authenticated CTI-Transmute administrator to visit the attacker-controlled content. If the administrator had an active session, the browser would automatically include the administrator’s session credentials, causing the selected user account to be deleted without the administrator intentionally confirming the operation.
Successful exploitation requires interaction from a currently authenticated administrator who has permission to delete users. The attacker does not need a CTI-Transmute account or administrative privileges because the forged request executes using the victim administrator’s session.
The vulnerability could allow an attacker to delete arbitrary user accounts, resulting in unauthorized modification of application state and denial of access for affected users. Depending on whether administrators can delete other administrators or the final administrative account, exploitation could also disrupt administration of the CTI-Transmute instance.
The patch resolves the issue by restricting the deletion endpoint to HTTP POST requests and submitting the deletion through a form containing a CSRF token.
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Analysis
by VulDB Data Team • 08/03/2026
Cross-site request forgery vulnerabilities represent one of the most persistent threats in web application security landscapes, particularly when they target administrative functions that can cause significant operational disruption. The CTI-Transmute platform exhibited a critical weakness in its user management system where the /account/delete/ endpoint failed to implement proper request validation mechanisms. This vulnerability stems from the application's acceptance of HTTP GET requests for operations that fundamentally alter application state, violating fundamental security principles that dictate state-modifying operations should only be executable through POST requests. The flaw allows attackers to leverage the trust relationship between the browser and the targeted application, enabling automatic execution of destructive actions without user consent or awareness.
The technical implementation of this vulnerability demonstrates a classic CSRF attack vector where the attacker crafts malicious URLs designed to exploit the session management behavior of authenticated users. When an administrator with active credentials visits a page containing embedded malicious requests, their browser automatically includes all relevant cookies and authentication tokens in the HTTP GET request to the vulnerable endpoint. This automatic credential inclusion occurs because browsers maintain stateful sessions and automatically append authentication information to requests made against the same domain, creating an environment where legitimate administrative actions can be executed without explicit confirmation from the user. The vulnerability specifically affects the administrative user deletion functionality, making it particularly dangerous as it allows attackers to compromise user accounts and potentially gain control over system administration capabilities.
Operational impact assessment reveals that this vulnerability creates multiple attack vectors for unauthorized account manipulation and service disruption. Attackers can systematically target user accounts within the CTI-Transmute environment, potentially leading to complete denial of service for affected users who lose access to their accounts and associated data. The severity escalates when considering that administrators might not be able to delete other administrative accounts or the final administrative account, which could allow attackers to lock themselves out of critical system management functions entirely. This scenario creates a cascading effect where successful exploitation can result in complete administrative takeover or service disruption, depending on the specific implementation details of user role hierarchies within the application. The vulnerability affects only authenticated administrators with deletion privileges, but the attack surface expands significantly because attackers do not require any legitimate credentials to execute the exploit.
The remediation approach implemented addresses the core issue by enforcing proper HTTP method restrictions and implementing CSRF token validation mechanisms that align with established security best practices. Restricting the deletion endpoint to POST requests ensures that state-modifying operations cannot be executed through simple URL access or embedded content, while requiring CSRF tokens provides additional protection against unauthorized request execution. This solution directly addresses the CWE-352 vulnerability classification related to Cross-Site Request Forgery and aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation. The patch implementation follows security guidelines that mandate proper input validation and request origin verification, ensuring that all administrative actions require explicit user confirmation through properly validated forms rather than automatic execution based solely on browser session state.
The vulnerability demonstrates how seemingly minor implementation oversights can create significant security risks in web applications, particularly those handling sensitive administrative functions. The attack model relies entirely on social engineering or content injection techniques where attackers manipulate administrators into visiting malicious pages, making it particularly difficult to defend against through traditional network monitoring approaches. Security practitioners should consider implementing additional protective measures such as request origin validation and enhanced session management policies to further harden applications against similar vulnerabilities. Organizations utilizing CTI-Transmute or similar platforms must conduct thorough security assessments of administrative interfaces to identify potential CSRF attack vectors and ensure that all state-modifying operations follow proper security protocols established in industry standards like OWASP Top Ten and NIST Cybersecurity Framework.