CVE-2026-16816 Vulnerabilities in IBM AIX and PowerVM VIOS
Remote authenticated attackers can execute arbitrary commands on IBM AIX and PowerVM VIOS due to improper neutralization of special elements.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16816?
CVE-2026-16816 is a critical command injection vulnerability in Ibm Aix, published on 19 Aug 2026. Any signed-in user can exploit it over the network, 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 authenticated 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-2026-16816?
It affects 2 products.
How do I fix CVE-2026-16816?
No fix has been published for CVE-2026-16816 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-2026-16816 being exploited?
There is no known exploitation of CVE-2026-16816 in the wild and no public exploit code.
Other vulnerabilities in Ibm Aix
Sources
Also known as GHSA-8rgq-x42p-vx92.