CVE-2026-15061 Vulnerabilities in IBM AIX and PowerVM VIOS

High 8.2 Published 19 Aug 2026 Updated 20 Aug 2026

A remote attacker can overwrite files via path traversal in the nimesis registration service of IBM AIX and PowerVM VIOS.

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-2026-15061?

CVE-2026-15061 is a high-severity path traversal 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 's nimesis registration service could allow a remote attacker to overwrite files due to path traversal.

Weakness: CWE-22

Which versions are affected by CVE-2026-15061?

It affects 2 products.

Products include Ibm Aix, Ibm Vios.

How do I fix CVE-2026-15061?

No fix has been published for CVE-2026-15061 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-15061 being exploited?

There is no known exploitation of CVE-2026-15061 in the wild and no public exploit code.

All Ibm Aix vulnerabilities

Sources

Also known as GHSA-hvmr-4fv5-38xw.