9.6
CRITICAL CVSS 3.1
CVE-2026-23818
Open Redirect Vulnerability in HPE Aruba Networking Private 5G Core On-Prem
Description

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.

INFO

Published Date :

April 7, 2026, 1:16 p.m.

Last Modified :

April 14, 2026, 9:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-23818 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Hpe aruba_networking_private_5g_core
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH eb103674-0d28-4225-80f8-39fb86215de0
CVSS 3.1 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Solution
Fix open redirect in login flow to prevent credential harvesting.
  • Update HPE Aruba Networking Private 5G Core On-Prem.
  • Apply vendor security patches promptly.
  • Review and validate redirect URLs.
  • Implement strict input validation for redirect parameters.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-23818.

URL Resource
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05032en_us&docLocale=en_US Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-23818 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-23818 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-23818 vulnerability anywhere in the article.

  • CybersecurityNews
HPE Aruba Private 5G Platform Vulnerability Enables Credential Theft Attacks

Hewlett-Packard Enterprise (HPE) has disclosed a security flaw in its Aruba Networking Private 5G Core On-Prem platform. This vulnerability allows attackers to steal user credentials by exploiting an ... Read more

Published Date: Apr 10, 2026 (2 weeks, 6 days ago)
  • Daily CyberSecurity
HPE Aruba Patches High-Severity Credential Theft Flaw

HPE Aruba Networking has issued an important software update to address a high-severity security flaw in its Private 5G Core On-Prem Platform. The vulnerability, tracked as CVE-2026-23818, could allow ... Read more

Published Date: Apr 10, 2026 (2 weeks, 6 days ago)

The following table lists the changes that have been made to the CVE-2026-23818 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Apr. 14, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    Added CPE Configuration OR *cpe:2.3:a:hpe:aruba_networking_private_5g_core:*:*:*:*:*:*:*:* versions up to (excluding) 1.25.3.1
    Added Reference Type Hewlett Packard Enterprise (HPE): https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05032en_us&docLocale=en_US Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 07, 2026

    Action Type Old Value New Value
    Added CWE CWE-601
  • New CVE Received by [email protected]

    Apr. 07, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added Reference https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05032en_us&docLocale=en_US
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.