CVE-2026-79964 in Secure Connect Gateway
Summary
by MITRE • 09/09/2026
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Neutralization of Escape, Meta, or Control Sequences vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to launch of phishing attacks.
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Analysis
by VulDB Data Team • 09/09/2026
The identified security flaw resides within Dell Storage Containerized Gateway (SCG) versions prior to 5.36.00.16 for the appliance and prior to 5.36.00.00 for the application component, representing a critical failure in input validation mechanisms. This vulnerability is classified under CWE-79 Improper Neutralization of Input During Web Page Generation, commonly known as Cross-Site Scripting or XSS. The core technical deficiency involves the system's inability to properly sanitize user-supplied data before it is rendered within web-based administrative interfaces or response payloads. When an attacker injects malicious scripts containing escape sequences, meta tags, or control characters into input fields that are subsequently reflected back to users without adequate encoding or filtering, the browser interprets these injected elements as executable code rather than static text content. This breakdown in neutralization allows for the execution of arbitrary client-side script within the context of the vulnerable application's domain, effectively bypassing standard security controls such as the same-origin policy that normally restricts how documents interact with each other.
From an operational perspective, this vulnerability poses a severe risk to organizational integrity and data confidentiality because it enables unauthenticated remote attackers to execute phishing campaigns against legitimate users accessing the Dell SCG management interface. Since the attacker does not require valid credentials to initiate the exploit, the barrier to entry is significantly lowered compared to authenticated attacks. The primary impact involves the manipulation of user interactions through deceptive UI elements or fake login prompts that mimic the authentic storage gateway interface. By leveraging this flaw, an adversary can capture sensitive authentication tokens, session cookies, or administrative credentials entered by system administrators who are tricked into interacting with the malicious content. This leads directly to account compromise and potential unauthorized access to critical storage infrastructure, allowing for further lateral movement within the network environment. The ability to launch phishing attacks via a stored or reflected vector means that every user viewing the compromised page becomes a potential victim, amplifying the blast radius of this single vulnerability across the entire administrative team responsible for managing the Dell SCG appliances.
To mitigate these risks and align with industry best practices such as those outlined in OWASP Top 10 guidelines, immediate remediation is required by upgrading to patched versions where input sanitization routines have been hardened. Administrators must ensure that all user inputs are strictly validated against a whitelist of expected characters before processing or rendering them back into the HTML response. Implementing Content Security Policy headers can also help mitigate the impact by restricting the sources from which scripts can be loaded, thereby preventing the execution of injected malicious code even if it is successfully inserted into the page source. Furthermore, organizations should enforce multi-factor authentication for all administrative access points to reduce the value of stolen credentials obtained through such phishing attempts. Regular security audits and penetration testing focusing on input validation weaknesses are essential to identify similar flaws in other web-facing components of the storage infrastructure. By addressing this improper neutralization issue at both the application code level and through defensive architectural controls, organizations can effectively close the attack vector that facilitates unauthorized access and credential theft via deceptive phishing mechanisms.