CVE-2026-16987: IBM i is Affected By An Improper Validation Vulnerability in PASE []

Published Aug 11, 2026
·
Updated

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.

Other sources

IBM i could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.

— 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 7.6 to a version that resolves this vulnerability.

    Patch SJ10846
  2. Upgrade

    Upgrade IBM i 7.5 to a version that resolves this vulnerability.

    Patch SJ10847
  3. Upgrade

    Upgrade IBM i 7.4 to a version that resolves this vulnerability.

    Patch SJ10852
  4. Upgrade

    Upgrade IBM i 7.3 to a version that resolves this vulnerability.

    Patch SJ10854

Event History

Aug 11, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Aug 13, 2026
CVE Published
via MITRE·07:54 PM
Data Sourced
via MITRE·07:54 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:17 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-2026-16987?

CVE-2026-16987 has a high severity rating of 8.8.

2

How do I fix CVE-2026-16987?

To mitigate CVE-2026-16987, users should apply the latest security updates provided by IBM for their IBM i systems.

3

What systems are affected by CVE-2026-16987?

CVE-2026-16987 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.

4

What are the potential impacts of CVE-2026-16987?

CVE-2026-16987 could allow a local attacker to gain elevated privileges on the affected systems.

5

What causes CVE-2026-16987?

CVE-2026-16987 is caused by improper validation of the LANG environment variable in IBM i.

Company

Resources

Contact

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