CVE-2026-23818: A vulnerability has been identified in the graphical user interface (GUI) of HPE Aruba Networking Private 5G C

Q: How do I fix CVE-2026-23818?

aruba networking private 5g core: upgrade to 1.25.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-23818 being exploited?

CVE-2026-23818 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-23818 affect?

CVE-2026-23818 affects aruba networking private 5g core. Severity is high (CVSS 8.8). 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

Routine

HIGH 8.8UPGRADE

CVE-2026-23818 is a high-severity flaw (CVSS 8.8) affecting aruba networking private 5g core. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 t

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-601
Published	2026-04-07
Last modified	2026-10-26

Publisher (CNA): Hewlett Packard Enterprise (HPE) · Vendor: hpe

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-07 13:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

hpe aruba networking private 5g core UPGRADE

Affected: < 1.25.3.1

Fixed in: 1.25.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy aruba-networking-private-5g-core || rpm -q aruba-networking-private-5g-core || aruba-networking-private-5g-core --version

2. UPGRADE to 1.25.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade aruba-networking-private-5g-core

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade aruba-networking-private-5g-core

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-23818?

aruba networking private 5g core: upgrade to 1.25.3.1. Exact commands for each OS are on this page.

Is CVE-2026-23818 being exploited?

CVE-2026-23818 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-23818 affect?

CVE-2026-23818 affects aruba networking private 5g core. Severity is high (CVSS 8.8). 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

How urgent is CVE-2026-23818?

Priority 37/100. High severity

Software pages

Aruba vulnerabilities

References

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