CVE-2026-26031 in LMS
Summary
by MITRE • 02/12/2026
Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to 2.44.0, security issue was identified in Frappe Learning, where unauthorised users were able to access the full list of enrolled students (by email) in batches. This vulnerability is fixed in 2.44.0.
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Analysis
by VulDB Data Team • 02/13/2026
The Frappe Learning Management System LMS vulnerability CVE-2026-26031 represents a critical access control flaw that undermines the privacy and security of educational data. This issue affected versions prior to 2.44.0 and allowed unauthorized individuals to gain access to sensitive student enrollment information, specifically the complete list of enrolled students within academic batches. The vulnerability stems from inadequate authorization checks within the system's student management interface, where proper authentication and permission validation mechanisms were either missing or improperly implemented. This weakness creates a direct pathway for malicious actors to enumerate student email addresses and enrollment details without proper credentials or authorization, potentially exposing personal information of learners within the educational platform.
The technical nature of this vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems. This flaw operates as an access control bypass mechanism where the system fails to properly verify user permissions before granting access to sensitive data endpoints. The operational impact extends beyond simple information disclosure, as the exposure of student email lists creates opportunities for social engineering attacks, phishing campaigns, and potential identity theft scenarios. Attackers could leverage this information to target specific individuals within the educational community, potentially leading to more sophisticated attacks against the institution's broader digital infrastructure. The vulnerability also violates fundamental security principles of least privilege and need-to-know basis, where users should only access information relevant to their role or legitimate business purposes.
Organizations utilizing Frappe LMS must understand that this vulnerability creates a significant risk to student privacy and institutional security posture. The exposure of student email addresses and enrollment data constitutes personal identifiable information that could be exploited for various malicious purposes including account takeover attempts, targeted scams, or data aggregation for further attacks. The remediation process requires immediate deployment of version 2.44.0 or later, which implements proper authorization controls and access validation mechanisms. Security teams should conduct comprehensive audits of their LMS configurations to ensure no unauthorized access has occurred, while also implementing monitoring solutions to detect potential exploitation attempts. The vulnerability also highlights the importance of regular security updates and proper vulnerability management processes within educational institutions that handle sensitive personal data.
This security issue demonstrates the critical importance of implementing robust access control mechanisms in educational technology platforms, particularly those handling student data. The vulnerability affects the core functionality of the LMS system where user permissions should be strictly enforced to prevent unauthorized data access. Organizations should consider implementing additional security controls such as role-based access controls, regular security assessments, and continuous monitoring of user access patterns to detect anomalous behavior. The incident underscores the need for adherence to security standards like those outlined in the OWASP Top Ten and NIST cybersecurity frameworks, particularly focusing on data protection and access control measures. Institutions must also establish clear incident response procedures for handling such vulnerabilities and ensure that all stakeholders understand their responsibilities in maintaining the security and privacy of educational data.