XML External Entity Injection Vulnerability in IBM App Connect Enterprise and Integration Bus
CVE-2026-17443

5.3MEDIUM

Key Information:

Vendor

IBM
Status
App Connect Enterprise
Integration Bus For Z/os
Vendor
CVE Published:
4 September 2026

What is CVE-2026-17443?

The vulnerability in IBM App Connect Enterprise and IBM Integration Bus arises from an XML External Entity (XXE) injection flaw. This flaw could potentially enable a remote authenticated attacker to exploit the application, leading to unauthorized access to sensitive data. Versions affected include IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, 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. Addressing this vulnerability is crucial to safeguard against data exposure and maintain the integrity of sensitive information within these systems.

Affected Version(s)

App Connect Enterprise 13.0.1.0 <= 13.0.8.1

App Connect Enterprise 12.0.1.0 <= 12.0.12.28

Integration Bus for z/OS 10.1.0.0 <= 10.1.0.7

References

https://www.ibm.com/support/pages/node/7286372
vendor-advisorypatch

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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