CVE-2026-17075

Analyzed Analyzed - Analysis Complete

Authentication Token Validation Flaw in IBM i

Publication date: 2026-08-13

Last updated on: 2026-08-19

Assigner: IBM Corporation

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information and perform unauthorized operations due to improper validation of authentication tokens.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-13

Last Modified

2026-08-19

Generated

2026-09-03

AI Q&A

2026-08-14

EPSS Evaluated

2026-09-02

NVD

CVE-2026-17075

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	i	7.3
ibm	i	7.4
ibm	i	7.5
ibm	i	7.6

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Attack-Flow Graph

Executive Summary

This vulnerability in IBM i 7.6, 7.5, 7.4, and 7.3 allows a remote attacker to access sensitive information and perform unauthorized actions. It occurs because the system does not properly validate authentication tokens during remote access attempts.

Detection Guidance

Detection requires checking for improper authentication token validation in IBM i systems. Monitor for unusual access patterns or failed authentication attempts. Review system logs for unauthorized operations. No specific commands are provided in the available context.

Impact Analysis

An attacker could exploit this to steal confidential data or manipulate system operations without authorization. This may lead to data breaches, unauthorized transactions, or system disruptions depending on the attacker's goals.

Compliance Impact

This vulnerability could violate compliance requirements such as GDPR or HIPAA by enabling unauthorized access to sensitive personal or health data. Organizations may face legal penalties, reputational damage, and loss of trust if such breaches occur.

Mitigation Strategies

Apply IBM i PTFs or updates to address improper authentication token validation. Monitor IBM i security bulletins for patches and restrict remote access to trusted sources.

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