CVE-2026-12756 Multiple secuirty vulnerabilies addressed with IBM Business Automation Workflow August 2026

High 7.1 Published Updated

Remote attackers can exploit XML external entity injection to expose sensitive information or consume memory resources in IBM Business Automation Workflow.

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-2026-12756?

CVE-2026-12756 is a high-severity vulnerability in IBM Business Automation Workflow containers and traditional, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Business Automation Workflow containers and traditional is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Weakness: CWE-611

Which versions are affected by CVE-2026-12756?

How do I fix CVE-2026-12756?

No fix has been published for CVE-2026-12756 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12756 being exploited?

There is no known exploitation of CVE-2026-12756 in the wild and no public exploit code.

Sources

Also known as GHSA-q6ch-jp7j-7788.

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