CVE-2026-18362 in iris-web
Summary
by MITRE • 07/30/2026
The IRIS web application in version 2.4.26 and possibly others does not protect its user authentication against brute-force attacks.
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Analysis
by VulDB Data Team • 07/30/2026
The vulnerability in the IRIS web application affects version 2.4.26 and potentially other releases where user authentication lacks adequate protection mechanisms against brute-force attacks. This represents a critical security weakness that directly impacts the application's ability to defend against automated credential guessing attempts. The absence of rate limiting, account lockout mechanisms, or other protective measures creates an exploitable condition where attackers can systematically test numerous username and password combinations without restriction.
This vulnerability falls under the category of insufficient authentication protection as defined by CWE-307, which specifically addresses weaknesses in authentication mechanisms that allow unauthorized access through automated means. The flaw enables adversaries to perform credential stuffing attacks, password spraying, or traditional brute-force attempts against user accounts. Without proper defensive controls, legitimate users face increased risk of account compromise while the application becomes vulnerable to unauthorized access attempts.
The operational impact of this vulnerability extends beyond simple authentication bypass scenarios. Attackers can leverage this weakness to gain unauthorized access to user accounts, potentially leading to data breaches, privilege escalation, or further exploitation within the application environment. The lack of protection mechanisms means that even weak passwords become exploitable through automated attack tools, significantly reducing the overall security posture of the application.
Organizations should implement multiple layers of defense to address this vulnerability including implementing rate limiting for authentication attempts, account lockout policies after failed login attempts, CAPTCHA mechanisms, and monitoring for suspicious authentication patterns. The solution should align with established security frameworks such as those recommended in the NIST Cybersecurity Framework and should incorporate principles from the MITRE ATT&CK framework where authentication bypass techniques represent common initial access vectors. Additionally, implementing multi-factor authentication provides an additional protective layer that would mitigate the impact of successful brute-force attempts even if the primary authentication mechanism is compromised.
Security teams should conduct regular vulnerability assessments to ensure proper implementation of authentication protection mechanisms and monitor for unusual login patterns that may indicate brute-force attack activity. The remediation process must include configuration reviews, penetration testing, and validation of protective controls to ensure that authentication mechanisms are properly hardened against automated attack vectors. This vulnerability demonstrates the critical importance of implementing robust authentication security measures as part of comprehensive application security programs and highlights the need for continuous monitoring and improvement of access control mechanisms within web applications.