Hewlett-Packard Enterprise (HPE) has identified a significant security vulnerability in its Aruba Networking Private 5G Core On-Prem platform. This flaw enables cyber attackers to steal user credentials through an open redirect issue within the platform’s login mechanism.
Understanding the Security Flaw
The vulnerability, logged as CVE-2026-23818, resides in the graphical user interface of the platform. It functions as an open redirect issue that targets the login flow, making it possible for attackers to deceive users into divulging their login credentials.
Attackers exploit this flaw by crafting a malicious URL designed to deceive authenticated users. When an unsuspecting user interacts with this URL, they are redirected to an external server under the control of the attacker. This server hosts a counterfeit login page that resembles the authentic HPE Aruba portal.
Impact on Enterprise Networks
Private 5G networks are crucial for enterprise operations, managing sensitive data and connecting essential business devices. Should attackers obtain legitimate administrative credentials, they can bypass security barriers to access the network management console. This unauthorized entry allows them to alter network configurations, disrupt services, or even initiate broader attacks within the enterprise infrastructure.
To counteract this threat, network administrators are urged to implement the available security patches swiftly. HPE has issued detailed remediation procedures in its security bulletin HPESBNW05032 to address the open redirect vulnerability.
Steps for Mitigation and Future Prevention
Organizations are also advised to educate employees on recognizing dubious links and verifying URLs before entering sensitive information. In addition, enabling multi-factor authentication can offer an added layer of security, reducing the risk even if credentials are compromised.
As enterprises increasingly rely on private 5G networks, maintaining robust cybersecurity measures is essential to safeguarding sensitive information and ensuring operational integrity.
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