CVE-2026-81832
Received Received - Intake

IBM App Connect Enterprise XXE Vulnerability via SAP Adapter

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: IBM Corporation

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.

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Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-04
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
CVE-2026-81832
EUVD
EUVD-2026-71152

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
ibm integration_bus_for_z_os From 10.1.0.0 (inc) to 10.1.0.7 (inc)
ibm app_connect_enterprise From 13.0.1.0 (inc) to 13.0.8.1 (inc)
ibm app_connect_enterprise From 12.0.1.0 (inc) to 12.0.12.28 (inc)
ibm integration_bus_for_zos From 10.1.0.0 (inc) to 10.1.0.7 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-611 The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

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Executive Summary

CVE-2026-81832 is an XML external entity (XXE) vulnerability in IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1 and 12.0.1.0 through 12.0.12.28, as well as IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 SAP Adapter. It allows improper XML processing that could enable attackers to access sensitive information.

Detection Guidance

To detect this XXE vulnerability in IBM App Connect Enterprise or IBM Integration Bus for z/OS SAP Adapter, inspect XML parsing configurations for external entity processing. Check if the adapter allows DTD or external entity resolution in XML inputs. Review logs for unusual XML parsing errors or external resource access attempts.

Impact Analysis

An attacker could exploit this XXE vulnerability to access sensitive data, potentially leading to unauthorized information disclosure. The attack requires low privileges and is network-based, making it easier to exploit remotely.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may violate GDPR or HIPAA compliance requirements. Organizations using affected versions must remediate it to maintain regulatory compliance.

Mitigation Strategies

Apply the fix provided in APAR IT49773 by upgrading to IBM App Connect Enterprise v13 Fix Pack 13.0.8.2 or v12 Fix Pack 12.0.12.29. This addresses the XXE vulnerability in the SAP Adapter.

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