CVE-2026-12730 Improper Validation of Certificate with Host Mismatch in IBM Business Automation Workflow containers

Low 3.8 Published Updated

Attackers can intercept traffic by exploiting improper certificate hostname validation, allowing connections to malicious servers.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-12730?

CVE-2026-12730 is a low-severity vulnerability in Ibm Business Automation Workflow, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

IBM Business Automation Workflow containers and traditional 26.0.0, 25.0.0 through 25.0.0 Interim Fix 005, 24.0.1 through 24.0.1 Interim Fix 007, and 24.0.0 through 24.0.0 Interim Fix 009 IBM Business Automation Workflow fails to properly verify that the hostname matches the server certificate potentially allowing connections to an attacker-controlled server.

Weakness: CWE-297

Which versions are affected by CVE-2026-12730?

It affects 1 product.

Products include Ibm Business Automation Workflow.

How do I fix CVE-2026-12730?

No fix has been published for CVE-2026-12730 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12730 being exploited?

There is no known exploitation of CVE-2026-12730 in the wild and no public exploit code.

All Ibm Business Automation Workflow vulnerabilities

Sources

Also known as GHSA-6486-8hjq-q8vf.

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