CVE-2026-15078 Vulnerabilities in IBM AIX and PowerVM VIOS

High 8.1 Published 19 Aug 2026 Updated 20 Aug 2026

Remote attackers can bypass TLS certificate validation in IBM AIX and PowerVM VIOS to gain unauthorized system access.

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-2026-15078?

CVE-2026-15078 is a high-severity 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 NIM could allow a remote attacker to gain unauthorized access to AIX systems due to improper validation of TLS certificates.

Weakness: CWE-295

Which versions are affected by CVE-2026-15078?

It affects 2 products.

Products include Ibm Aix, Ibm Vios.

How do I fix CVE-2026-15078?

No fix has been published for CVE-2026-15078 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-15078 being exploited?

There is no known exploitation of CVE-2026-15078 in the wild and no public exploit code.

All Ibm Aix vulnerabilities

Sources

Also known as GHSA-pm34-h6p9-7p29.