CVE-2026-27546 in ICE2-8IOL1-G65L-V1D
Summary
by MITRE • 09/16/2026
An unauthenticated remote attacker can exploit an authentication bypass in the _account_log function to log in as an admin, even when accounts are properly configured.
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Analysis
by VulDB Data Team • 09/16/2026
The vulnerability described represents a critical authentication bypass within the application's account logging mechanism, specifically targeting the _account_log function. This flaw allows unauthenticated remote attackers to gain administrative privileges without valid credentials, effectively circumventing the intended access control measures. The root cause lies in insufficient validation of user input or session state during the execution of this specific function, which is likely responsible for recording login attempts or managing account states. By exploiting this logic error, an attacker can manipulate the authentication flow to bypass standard verification steps, resulting in unauthorized administrative access. This type of vulnerability falls under CWE-287: Improper Authentication and CWE-306: Missing Authentication for Critical Function, as it involves a failure to correctly verify identity before granting privileged operations.
From an operational perspective, the impact of this vulnerability is severe due to the elevation of privileges achieved by the attacker. Once inside with administrative rights, the adversary can perform any action available to legitimate administrators, including modifying system configurations, accessing sensitive data, creating backdoors, or deleting critical logs to cover their tracks. This compromises the confidentiality, integrity, and availability of the entire application environment. The ability to log in as an admin without authentication undermines the fundamental security principle that administrative access must be strictly controlled and verified. Such a breach can lead to complete system compromise, data exfiltration, and potential lateral movement within connected networks if the compromised account has broader permissions.
The exploitation technique aligns with MITRE ATT&CK techniques related to Initial Access and Privilege Escalation, specifically T1078: Valid Accounts or T1528: Steal Application Access Token, depending on how the session is hijacked or created. Attackers typically probe for such vulnerabilities by sending crafted requests that trigger the _account_log function with manipulated parameters designed to bypass authentication checks. The lack of proper input sanitization and state verification allows these malicious payloads to succeed without triggering standard security alerts or requiring valid user credentials. This highlights a significant gap in the application's security architecture, where critical functions are not adequately protected against unauthenticated access attempts.
To mitigate this vulnerability, developers must implement robust authentication checks within the _account_log function and all other administrative endpoints. It is essential to enforce strict validation of session tokens and verify that the user initiating any action has been properly authenticated through a secure channel before processing requests. Implementing multi-factor authentication for administrative accounts adds an additional layer of security, reducing the risk posed by credential theft or bypass attempts. Additionally, applying the principle of least privilege ensures that even if such a vulnerability is exploited, the potential damage is contained. Regular code reviews and static application security testing can help identify similar logic flaws in other parts of the system. Finally, deploying web application firewalls with rules tailored to detect authentication bypass patterns can provide an extra layer of defense against automated exploitation attempts.