CVE-2026-18683: IBM i is Affected By privilege escalation in Navigator for i

Published Aug 11, 2026
·
Updated

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.

Other sources

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

— IBM

Affected Software

5 affected components
IBM IBM i>=7.3<=7.6
IBM i<=7.6
IBM i<=7.5
IBM i<=7.4
IBM i<=7.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM i to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ10887
  2. Upgrade

    Upgrade IBM i to a version that resolves this vulnerability.

    Fixed in 7.5Patch SJ10888
  3. Upgrade

    Upgrade IBM i to a version that resolves this vulnerability.

    Fixed in 7.4Patch SJ10890
  4. Upgrade

    Upgrade IBM i to a version that resolves this vulnerability.

    Fixed in 7.3Patch SJ10891

Event History

Aug 11, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Aug 12, 2026
CVE Published
via MITRE·04:49 PM
Data Sourced
via MITRE·04:49 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-18683?

The severity of CVE-2026-18683 is rated as high with a score of 8.8.

2

What systems are affected by CVE-2026-18683?

CVE-2026-18683 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.

3

How do I fix CVE-2026-18683?

To fix CVE-2026-18683, apply the latest security patches provided by IBM for affected versions of IBM i.

4

What type of vulnerability is CVE-2026-18683?

CVE-2026-18683 is classified as a privilege escalation vulnerability in Navigator for i.

5

Can an unauthenticated user exploit CVE-2026-18683?

No, an authenticated user is required to exploit CVE-2026-18683 for privilege escalation.

Company

Resources

Contact

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