CVE-2026-81832 IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs

High 7.7 Published Updated

Attackers can exploit XML external entity vulnerabilities in IBM App Connect Enterprise and Integration Bus SAP Adapters to read sensitive data or cause denial of service.

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-2026-81832?

CVE-2026-81832 is a high-severity vulnerability in IBM App Connect Enterprise, published on 4 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 SAP Adapter is vulnerable to an XML external entity (XXE) attack.

Weakness: CWE-611

Which versions are affected by CVE-2026-81832?

It affects 2 products.

Products include Ibm App Connect Enterprise, Ibm Integration Bus for Z\/Os.

How do I fix CVE-2026-81832?

No fix has been published for CVE-2026-81832 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-81832 being exploited?

There is no known exploitation of CVE-2026-81832 in the wild and no public exploit code.

Sources

Also known as GHSA-273w-f4pj-3j77.

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