CVE-2026-18144
Analyzed Analyzed - Analysis Complete

IBM i Security Bypass via Improper Authorization

Vulnerability report for CVE-2026-18144, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-12

Last updated on: 2026-08-17

Assigner: IBM Corporation

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper authorization.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-12
Last Modified
2026-08-17
Generated
2026-09-02
AI Q&A
2026-08-12
EPSS Evaluated
2026-08-31
NVD
EUVD

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This vulnerability in IBM i versions 7.6, 7.5, 7.4, and 7.3 allows a remote authenticated attacker to bypass security restrictions due to improper authorization checks.

Detection Guidance

Detection requires checking IBM i systems for improper authorization issues. Review system logs for unusual remote access attempts or privilege escalations. Verify user permissions and authorization rules in IBM i security settings. No specific commands are provided in the available context.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive data or perform actions beyond their intended permissions, potentially leading to data breaches or system misuse.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating compliance requirements for data protection standards like GDPR or HIPAA, which mandate strict access controls and data security.

Mitigation Strategies

Apply IBM i PTFs or updates to address the improper authorization issue. Review and restrict remote authenticated user access to minimize attack surface. Monitor IBM i security advisories for patches.

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