CVE-2026-18683
Received Received - Intake

Privilege Escalation in IBM i Navigator for i

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 is vulnerable to privilege escalation via Navigator for i. An authenticated user could elevate privileges to a root user to execute commands.

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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-2026-18683
EUVD
EUVD-2026-57347

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ibm navigator_for_i *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

This vulnerability in IBM i Navigator for i allows an authenticated user to escalate their privileges to root level. This means a user with limited access could gain full control over the system and execute arbitrary commands.

Impact Analysis

An attacker could exploit this to take full control of the IBM i system, install malware, steal data, or disrupt operations. It compromises system integrity and confidentiality.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance risks include fines and legal penalties.

Mitigation Strategies

Apply the latest security patches or updates for IBM i Navigator as soon as possible. Restrict user access to only necessary privileges and monitor for unusual privilege escalation attempts.

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