XML External Entity Vulnerability in IBM App Connect and Integration Bus
CVE-2026-81832

7.7HIGH

Key Information:

Vendor

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

What is CVE-2026-81832?

The vulnerability identified in IBM App Connect Enterprise and IBM Integration Bus for z/OS allows attackers to exploit XML external entity (XXE) processing. This can potentially lead to unauthorized access to sensitive files and data processing on the affected systems. It is crucial for users to apply the necessary patches provided by IBM to mitigate this risk.

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:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.