CVE-2026-4773 in IDM-MFA
Summary
by MITRE • 07/22/2026
Improper validation of specified type of input vulnerability in Magarsus Consulting Ltd. Co. IDM-MFA allows Authentication Bypass.
This issue affects IDM-MFA: from 2025.11.27 before 2026.03.10.
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Analysis
by VulDB Data Team • 07/22/2026
The vulnerability in question represents a critical authentication bypass flaw within the IDM-MFA solution developed by Magarsus Consulting Ltd. Co., which operates under the CWE-284 access control weakness category and aligns with ATT&CK technique T1078 for valid accounts. This improper input validation allows attackers to circumvent the intended authentication mechanisms, potentially gaining unauthorized access to protected systems and data.
The technical implementation flaw stems from insufficient validation of input parameters that determine user authentication types within the IDM-MFA framework. When users attempt to authenticate, the system fails to properly verify or sanitize the specified authentication type parameter, creating a pathway for malicious actors to manipulate the authentication flow. This vulnerability specifically manifests during the authentication process where the system should validate the type of authentication being requested but instead accepts potentially modified inputs without proper verification.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it fundamentally undermines the security posture of systems relying on IDM-MFA for identity management and multi-factor authentication. Attackers can exploit this weakness to bypass authentication entirely, potentially gaining administrative privileges or access to sensitive corporate resources. The vulnerability affects a specific version range from 2025.11.27 through 2026.03.10, indicating a targeted timeframe where the flawed validation logic was implemented and remained unpatched.
Organizations utilizing this software must implement immediate mitigations including input parameter validation enforcement, authentication flow hardening, and monitoring for anomalous authentication patterns. The vulnerability demonstrates the critical importance of proper input sanitization and access control implementation as outlined in NIST SP 800-53 security controls. Security teams should consider implementing additional authentication layers, network segmentation, and comprehensive logging to detect potential exploitation attempts. This flaw also highlights the necessity of regular security assessments and patch management processes to prevent similar vulnerabilities from persisting in production environments.
The broader implications suggest that organizations should review their authentication mechanisms against established frameworks such as OWASP Authentication Top 10 and NIST Cybersecurity Framework guidelines. Effective mitigation requires not only immediate patch deployment but also architectural reviews to ensure proper separation of concerns and validation of all user-supplied inputs. The vulnerability serves as a reminder of how seemingly small input validation gaps can create substantial security risks in identity management systems, particularly those handling multi-factor authentication flows where trust boundaries are critical for overall system security.