CVE-2026-1670 in I-HIB2PI-UL 2MP IP
Summary
by MITRE • 02/18/2026
The affected products are vulnerable to an unauthenticated API endpoint exposure, which may allow an attacker to remotely change the "forgot password" recovery email address.
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Analysis
by VulDB Data Team • 02/18/2026
This vulnerability represents a critical security flaw in authentication system design where an unauthenticated API endpoint exposes functionality that should be restricted to authenticated users only. The issue manifests as an API endpoint that accepts requests to modify password recovery email addresses without requiring any form of authentication or authorization verification. This type of exposure falls under the category of insecure direct object references and weak session management practices that are commonly documented in security frameworks such as CWE-284 for improper access control and CWE-352 for cross-site request forgery. The vulnerability enables attackers to manipulate user account recovery mechanisms through direct API calls, potentially compromising user account security and enabling unauthorized access to sensitive systems.
The technical implementation of this flaw suggests that the application lacks proper input validation and access control checks at the API layer. Attackers can exploit this by crafting malicious API requests that target the specific endpoint responsible for updating recovery email addresses. Since no authentication is required, the vulnerability can be exploited by anyone who can access the API endpoint, making it particularly dangerous for systems that handle sensitive user data. This weakness creates an attack surface that aligns with ATT&CK technique T1566 for credential access through social engineering and T1531 for account access through privilege escalation. The flaw essentially provides a backdoor mechanism for attackers to redirect password reset notifications to addresses they control, effectively enabling account takeover scenarios.
The operational impact of this vulnerability extends beyond simple data exposure to encompass significant account security risks and potential data breaches. When an attacker can modify password recovery mechanisms, they gain the ability to lock out legitimate users from their own accounts while simultaneously gaining the capability to reset passwords and assume control of those accounts. This vulnerability directly impacts the principle of least privilege and can lead to cascading security failures within applications that rely on email-based authentication recovery. Organizations may face compliance violations under standards such as soc 2, iso 27001, and gdpr when user account recovery mechanisms are compromised, as they represent critical control points for maintaining system integrity and user privacy. The vulnerability can also facilitate broader attacks including privilege escalation, lateral movement within networks, and potential data exfiltration through compromised user accounts.
Mitigation strategies should focus on implementing robust authentication and authorization controls at the API level to prevent unauthorized access to sensitive functions. Organizations must ensure that all API endpoints handling user account modifications require proper authentication tokens, session validation, and access control checks before executing any modification operations. The implementation of rate limiting and monitoring for suspicious API activity can help detect exploitation attempts, while proper input sanitization and validation should prevent injection attacks that might exploit the vulnerability. Security teams should also implement principle of least privilege access controls, ensuring that only authorized personnel can access sensitive endpoints, and establish comprehensive logging and alerting mechanisms to detect unauthorized access attempts. Additionally, organizations should conduct regular security assessments and penetration testing to identify similar vulnerabilities in their API implementations, and ensure that all authentication and session management components comply with industry standards and best practices for secure application development.