CVE-2026-18193: IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime

Published Aug 12, 2026
·
Updated

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.

Other sources

IBM i could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.

— IBM

Affected Software

9 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
IBM i=7.3
IBM i=7.4
IBM i=7.5
IBM i=7.6

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11037
  2. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11013
  3. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11014
  4. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11041
  5. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11042
  6. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11063
  7. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11064
  8. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11065
  9. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11066
  10. Upgrade

    Upgrade IBM i 7.6 (Release 5770-JV1) to a version that resolves this vulnerability.

    Patch SJ11078
  11. Upgrade

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

    Patch SJ10990
  12. Upgrade

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

    Patch SJ11079
  13. Upgrade

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

    Patch SJ11080
  14. Upgrade

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

    Patch SJ11016
  15. Upgrade

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

    Patch SJ11081
  16. Upgrade

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

    Patch SJ11040

Event History

Aug 12, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Aug 13, 2026
CVE Published
via MITRE·08:42 PM
Data Sourced
via MITRE·08:42 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-18193?

The severity of CVE-2026-18193 is rated as high with a score of 8.9.

2

How do I fix CVE-2026-18193?

To fix CVE-2026-18193, apply the latest security updates provided by IBM for the IBM Java SDK and IBM Java Runtime.

3

What systems are affected by CVE-2026-18193?

CVE-2026-18193 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.

4

What vulnerability does CVE-2026-18193 address?

CVE-2026-18193 addresses a vulnerability that allows remote attackers to bypass security restrictions due to improper validation of user-controlled addresses.

5

Can CVE-2026-18193 be exploited remotely?

Yes, CVE-2026-18193 can be exploited remotely, allowing attackers to bypass security measures.

Company

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Contact

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