CVE-2026-10842: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a security bypass vulnerability

Published Jul 15, 2026
·
Updated

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 Traditional and Liberty could allow a remote attacker to bypass security constraints.

Other sources

IBM WebSphere Application Server Traditional and Liberty could allow a remote attacker to bypass security constraints.

IBM

Affected Software

8 affected components
IBM WebSphere Application Server=8.5, =9.0
IBM WebSphere Application Server - Liberty>=17.0.0.3<=26.0.0.7
IBM WebSphere Application Server<=8.5
IBM WebSphere Application Server<=9.0
IBM WebSphere Application Server - Liberty<=17.0.0.3 - 26.0.0.7
IBM WebSphere Application Server>=8.5.0.0<8.5.5.31
IBM WebSphere Application Server>=9.0.0.0<9.0.5.29
IBM WebSphere Application Server>=17.0.0.3<26.0.0.8

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM WebSphere Application Server Liberty to a version that resolves this vulnerability.

    Fixed in 26.0.0.8
  2. Upgrade

    Upgrade IBM WebSphere Application Server Traditional to a version that resolves this vulnerability.

    Fixed in 8.5.5.31
  3. Upgrade

    Upgrade IBM WebSphere Application Server Traditional to a version that resolves this vulnerability.

    Fixed in 9.0.5.29
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch PH71893
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch PH71916

Event History

Jul 15, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Jul 30, 2026
CVE Published
via MITRE·03:57 PM
Data Sourced
via MITRE·03:57 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-10842?

The severity of CVE-2026-10842 is rated as high with a CVSS score of 7.5.

2

How do I fix CVE-2026-10842?

To fix CVE-2026-10842, upgrade to the latest versions of IBM WebSphere Application Server and WebSphere Application Server Liberty that address this vulnerability.

3

What systems are affected by CVE-2026-10842?

CVE-2026-10842 affects IBM WebSphere Application Server versions 8.5 and 9.0, and IBM WebSphere Liberty versions 17.0.0.3 through 26.0.0.7.

4

What type of vulnerability is CVE-2026-10842?

CVE-2026-10842 is a security bypass vulnerability that could allow a remote attacker to bypass security constraints.

5

What is the potential impact of CVE-2026-10842?

The potential impact of CVE-2026-10842 includes unauthorized access to sensitive data due to bypassing security measures.

Contact

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