CVE-2026-17444
Received Received - Intake

IBM App Connect Enterprise XXE Injection Vulnerability

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 could allow a remote authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection.

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Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-05
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
CVE-2026-17444
EUVD
EUVD-2026-71471

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
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_z/os 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

This vulnerability is an XML External Entity (XXE) injection flaw in IBM App Connect Enterprise versions 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 versions 10.1.0.0 through 10.1.0.7. It allows a remote authenticated attacker to access sensitive information by exploiting improper XML processing.

Detection Guidance

Detection of this XXE vulnerability requires checking IBM App Connect Enterprise or IBM Integration Bus configurations for XML parsing weaknesses. Review application logs for unusual XML parsing errors or external entity references. Inspect network traffic for suspicious XML payloads containing external entity declarations. Validate that XML parsers are configured to disable DTD processing and external entity resolution.

Impact Analysis

The impact includes unauthorized access to sensitive data due to the XXE flaw. Attackers could read files, access internal systems, or perform denial-of-service attacks by causing the application to process malicious XML input.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for protecting sensitive personal or health information. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Apply the latest security patches from IBM for 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 to address the XXE injection vulnerability.

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