CVE-2026-16882 Vulnerabilities in IBM AIX and PowerVM VIOS

Critical 9.8 Published 19 Aug 2026 Updated 21 Aug 2026

Remote attackers can execute arbitrary commands on IBM AIX and PowerVM VIOS due to improper neutralization of special elements in OS commands.

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

What is CVE-2026-16882?

CVE-2026-16882 is a critical command injection vulnerability in Ibm Aix, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.

Weakness: CWE-78

Which versions are affected by CVE-2026-16882?

It affects 2 products.

Products include Ibm Aix, Ibm Vios.

How do I fix CVE-2026-16882?

No fix has been published for CVE-2026-16882 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-2026-16882 being exploited?

There is no known exploitation of CVE-2026-16882 in the wild and no public exploit code.

All Ibm Aix vulnerabilities

Sources

Also known as GHSA-5mpc-4p97-jh8g.