CVE-2026-63244 in Learning Management System
Summary
by MITRE • 10/23/2026
An authentication bypass vulnerability in WizLearn Technologies' Learning Management System (LMS) could allow an unauthenticated remote attacker to bypass password authentication and the OAuth authentication flow by sending a specially crafted POST request, potentially resulting in unauthorised access to user accounts and full administrative control of the LMS platform.
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Analysis
by VulDB Data Team • 10/23/2026
The vulnerability identified within WizLearn Technologies' Learning Management System represents a critical failure in the application's core identity verification mechanisms. This flaw specifically targets both standard password-based authentication and OAuth integration flows, allowing an unauthenticated remote attacker to circumvent security controls entirely. By exploiting this weakness through specially crafted HTTP POST requests, the attacker can bypass the intended gatekeeping logic that validates user credentials before granting access to protected resources. The existence of such a vulnerability indicates a fundamental misconfiguration or coding error in how the application processes authentication tokens and session states, effectively rendering the login interface ineffective against malicious actors who understand the underlying request structure.
From a technical perspective, this issue aligns with CWE-287, which describes Improper Authentication, as well as CWE-306, Missing Authentication for Critical Function. The attacker leverages specific POST requests to manipulate the authentication state machine of the LMS platform. In many modern web applications, particularly those utilizing OAuth, there are complex interactions between authorization servers and resource servers that must be carefully validated. If these validations are skipped or incorrectly implemented during certain request paths, an attacker can inject valid-looking but unauthorized session tokens or bypass token verification steps entirely. This allows the system to treat a maliciously crafted request as if it originated from a legitimate, authenticated user without requiring any actual credentials.
The operational impact of this vulnerability is severe due to the nature of Learning Management Systems which typically handle sensitive educational data and administrative functions. Successful exploitation grants an unauthenticated attacker unauthorized access to user accounts across the platform. More critically, because LMS platforms often contain privileged roles such as administrators who manage courses, users, and system settings, gaining control over these accounts leads to full administrative control of the environment. This level of access enables the attacker to exfiltrate personally identifiable information including student records, grades, and contact details, which violates data privacy regulations such as GDPR or FERPA depending on the jurisdiction. Furthermore, an administrator-level compromise allows for persistent backdoors, defacement of educational content, or use of the LMS infrastructure as a pivot point for further attacks against internal networks.
This attack vector is consistent with MITRE ATT&CK technique T1078, Valid Accounts, specifically where attackers obtain legitimate credentials or bypass authentication to assume valid identities. It also relates to T1190, Exploit Public-Facing Application, given the remote and unauthenticated nature of the exploit via HTTP POST requests. The ability to bypass OAuth flows is particularly dangerous as it undermines trust in third-party identity providers that organizations rely on for secure single sign-on capabilities.
To mitigate this risk, immediate remediation efforts should focus on reviewing and hardening the authentication middleware within the LMS application code. Developers must ensure that all endpoints requiring authorization strictly validate session tokens and OAuth state parameters before processing any requests. Implementing strict input validation and ensuring that authentication checks are applied consistently across all API routes is essential. Additionally, deploying a Web Application Firewall can provide temporary protection by filtering out malformed or suspicious POST requests until the underlying code flaw is patched. Organizations should also enforce multi-factor authentication where possible to add an additional layer of security even if credential-based bypasses occur, and regularly audit access logs for anomalies indicative of unauthorized administrative actions.