CVE-2026-16180 IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs
Authenticated users can cause a denial-of-service condition in IBM App Connect Enterprise and Integration Bus via improper XML entity validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-16180?
CVE-2026-16180 is a medium-severity vulnerability in IBM App Connect Enterprise, published on 4 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
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 Toolkit could allow an authenticated user to cause a denial-of-service condition due to improper validation of XML entities.
Weakness: CWE-776
Which versions are affected by CVE-2026-16180?
It affects 2 products.
Products include Ibm App Connect Enterprise, Ibm Integration Bus for Z\/Os.
How do I fix CVE-2026-16180?
No fix has been published for CVE-2026-16180 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-16180 being exploited?
There is no known exploitation of CVE-2026-16180 in the wild and no public exploit code.
Other vulnerabilities in IBM App Connect Enterprise
- CVE-2026-15435 IBM App Connect Enterprise is vulnerable to arbitrary file write vulnerability
- CVE-2024-22317 IBM App Connect Enterprise denial of service
- CVE-2026-75624 IBM App Connect Enterprise is vulnerable to privilege escalation and Denial of Service
- CVE-2026-14522 IBM App Connect Enterprise is vulnerable to an arbitrary file read and arbitrary changes to configuration settings
- CVE-2026-81832 IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs
Sources
Also known as GHSA-gv9r-vxw2-5527.