CVE-2026-23821 Inconsistent input filtering allows Authenticated Command Injection in AOS-10 CLI

High 7.2 Published 12 May 2026 Updated 13 May 2026

Authenticated attackers can execute arbitrary system commands on ArubaOS 10 Access Points due to inconsistent input filtering.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-23821?

CVE-2026-23821 is a high-severity command injection vulnerability in Arubanetworks Arubaos, published on 12 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability in the configuration processing logic of Access Points running AOS-10 could allow an authenticated remote attacker to execute system commands under certain pre-existing conditions. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.

Note: Access Points running AOS-8 Instant software are not affected by this vulnerability.

Weakness: CWE-78

Which versions are affected by CVE-2026-23821?

It affects 1 product.

Products include Arubanetworks Arubaos.

How do I fix CVE-2026-23821?

No fix has been published for CVE-2026-23821 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-23821 being exploited?

There is no known exploitation of CVE-2026-23821 in the wild and no public exploit code.

All Arubanetworks Arubaos vulnerabilities

Sources

Also known as GHSA-38g8-3hc5-9xvj.