CVE-2026-17266
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Path Traversal Vulnerability in IBM i

Vulnerability report for CVE-2026-17266, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-12

Last updated on: 2026-08-12

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 due to improper limitation of a pathname to a restricted directory.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-12
Last Modified
2026-08-12
Generated
2026-08-13
AI Q&A
2026-08-12
EPSS Evaluated
N/A
NVD
EUVD

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-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

This vulnerability in IBM i 7.6, 7.5, 7.4, and 7.3 allows a remote authenticated attacker to access sensitive information due to improper restriction of file paths to a limited directory.

Impact Analysis

An attacker could exploit this to steal sensitive data, such as user credentials or system configurations, by accessing restricted files through manipulated paths.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, potentially violating GDPR (data privacy) and HIPAA (health data protection) by allowing access to sensitive information.

Mitigation Strategies

Apply the appropriate PTF (Program Temporary Fix) as recommended by IBM to remediate the vulnerability. Check IBM's official support page for the specific PTF applicable to your IBM i version (7.3 through 7.6).

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