CVE-2026-23818: HPE Aruba Networking Private 5g Core

Critical severity, CVSS 9.6. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability has been identified in the graphical user interface (GUI) of HPE Aruba Networking Private 5G Core On-Prem that could allow an attacker to abuse an open redirect vulnerability in the login flow using a crafted URL. Successful exploitation may redirect an authenticated user to an attacker-controlled server hosting a spoofed login page prompting the unsuspecting victim to give away their credentials, which could then be captured by the attacker, before being redirected back to the legitimate login page.

Affected products

• HPE Aruba Networking Private 5g Core: before 1.25.3.1 (fixed in 1.25.3.1)

Published 2026-04-07. Last modified 2026-06-17.