CVE-2026-17443 IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs
Remote authenticated attackers can exploit an XML external entity injection flaw to obtain sensitive information from IBM App Connect Enterprise and Integration Bus.
- 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-2026-17443?
CVE-2026-17443 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, 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 could allow a remote authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection flaw.
Weakness: CWE-611
Which versions are affected by CVE-2026-17443?
It affects 2 products.
Products include Ibm App Connect Enterprise, Ibm Integration Bus for Z\/Os.
How do I fix CVE-2026-17443?
No fix has been published for CVE-2026-17443 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-17443 being exploited?
There is no known exploitation of CVE-2026-17443 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-v53j-r3c3-j92c.