CVE-2026-16837: IBM AIX vulnerability

Q: What does an attacker need to do to trigger the denial of service?

The available information indicates that the issue is triggered by improper handling of a missing SSL client certificate. No further details are provided about the required access level, affected service, or exact request conditions.

Q: Which IBM products should be assessed for exposure?

IBM AIX and IBM PowerVM VIOS are identified as affected software. The provided information does not specify affected versions or whether all deployments are vulnerable by default.

Published Aug 15, 2026

Updated

AIX could allow a remote attacker to cause a denial of service due to improper handling of a missing SSL client certificate.

Affected Software

3 affected components

IBM AIX<=7.2

IBM AIX<=7.3

IBM PowerVM VIOS<=4.1

Event History

Aug 15, 2026

CVE Published

via IBM·12:00 AM

Data Sourced

via IBM·12:00 AM

DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

IBM-7283858

Frequently Asked Questions

What does an attacker need to do to trigger the denial of service?

The available information indicates that the issue is triggered by improper handling of a missing SSL client certificate. No further details are provided about the required access level, affected service, or exact request conditions.

Which IBM products should be assessed for exposure?

IBM AIX and IBM PowerVM VIOS are identified as affected software. The provided information does not specify affected versions or whether all deployments are vulnerable by default.