CVE-2026-23820 Inconsistent input filtering allows Authenticated Command Injection in AOS-8 Instant and AOS-10 CLI
Authenticated attackers can execute arbitrary system commands on ArubaOS Access Points via inconsistent input filtering in the CLI.
- 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-2026-23820?
CVE-2026-23820 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 command line interface of Access Points running AOS-10 and AOS-8 Instant could allow an authenticated remote attacker to execute system commands in a restricted shell environment. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.
Weakness: CWE-78
Which versions are affected by CVE-2026-23820?
It affects 1 product.
Products include Arubanetworks Arubaos.
How do I fix CVE-2026-23820?
No fix has been published for CVE-2026-23820 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-2026-23820 being exploited?
There is no known exploitation of CVE-2026-23820 in the wild and no public exploit code.
Other vulnerabilities in Arubanetworks Arubaos
- CVE-2024-42393 Memory corruption in Hpe Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10
- CVE-2024-42394 Memory corruption in HPE Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10
- CVE-2024-42395 Memory corruption in HPE Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10
- CVE-2024-31466 Unauthenticated Buffer Overflow Vulnerabilities in CLI Service Accessed by the PAPI Protocol
- CVE-2024-31467 Unauthenticated Buffer Overflow Vulnerabilities in CLI Service Accessed by the PAPI Protocol
Sources
Also known as GHSA-5f9x-4h79-7fqp.