CVE-2026-16844 Vulnerabilities in IBM AIX and PowerVM VIOS
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
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16844?
CVE-2026-16844 is a high-severity command injection vulnerability in Ibm Aix, published on 19 Aug 2026. It can only be exploited from the same machine or local 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 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-2026-16844?
It affects 2 products.
How do I fix CVE-2026-16844?
No fix has been published for CVE-2026-16844 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-2026-16844 being exploited?
There is no known exploitation of CVE-2026-16844 in the wild and no public exploit code.
Other vulnerabilities in Ibm Aix
Sources
Also known as GHSA-h878-5fmm-j2cm.