CVE-2026-18098
Received Received - Intake

IBM i XML Injection Vulnerability Exposes Sensitive Data

Publication date: 2026-08-12

Last updated on: 2026-08-12

Assigner: IBM Corporation

Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information and compromise system integrity due to an XML injection flaw.

CVSS Scores

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Meta Information

Published
2026-08-12
Last Modified
2026-08-12
Generated
2026-08-12
AI Q&A
2026-08-12
EPSS Evaluated
N/A
NVD
CVE-2026-18098
EUVD
EUVD-2026-57348

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
ibm i 7.6
ibm i 7.5
ibm i 7.4
ibm i 7.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-346 The product does not properly verify that the source of data or communication is valid.

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Executive Summary

This vulnerability is an XML injection flaw in IBM i versions 7.6, 7.5, 7.4, and 7.3. A remote authenticated attacker could exploit this to inject malicious XML data, potentially leading to unauthorized access to sensitive information or system compromise.

Impact Analysis

An attacker could exploit this flaw to steal sensitive data or alter system configurations, compromising system integrity. The high CVSS score (8.1) indicates significant risk requiring prompt patching.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations must address it to maintain compliance.

Mitigation Strategies

Apply IBM i PTFs or updates addressing the XML injection flaw. Monitor IBM i security bulletins for patches. Restrict remote authenticated access to trusted users only.

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