CVE-2026-15325: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities

Published Jul 28, 2026
·
Updated

IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling due to improper handling of TRACE requests.

Affected Software

8 affected components
IBM WebSphere Application Server=9.0, =8.5
IBM WebSphere Application Server Liberty>=17.0.0.3<=26.0.0.7
IBM WebSphere Application Server<=9.0
IBM WebSphere Application Server<=8.5
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 to a version that resolves this vulnerability.

    Fixed in 8.5.5.31
  3. Upgrade

    Upgrade IBM WebSphere Application Server 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 PH72192
  5. Upgrade

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

    Patch PH72191

Event History

Jul 28, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·08:07 PM
Data Sourced
via MITRE·08:07 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:17 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-2026-15325?

CVE-2026-15325 has a severity rating of 8.7, indicating a high risk.

2

How do I fix CVE-2026-15325?

To fix CVE-2026-15325, upgrade to the latest version of IBM WebSphere Application Server or WebSphere Application Server Liberty as specified in the advisory.

3

What types of applications are affected by CVE-2026-15325?

CVE-2026-15325 affects IBM WebSphere Application Server versions 8.5 and 9.0, as well as IBM WebSphere Application Server - Liberty between versions 17.0.0.3 and 26.0.0.7.

4

What kind of vulnerability is CVE-2026-15325?

CVE-2026-15325 is classified as an HTTP request smuggling vulnerability due to improper handling of TRACE requests.

5

What impact does CVE-2026-15325 have on my system?

CVE-2026-15325 can lead to unauthorized data exposure and manipulation, potentially compromising the integrity and confidentiality of the application.

Contact

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