CVE-2026-15325

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities

Published Jul 28, 2026 CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Description
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling due to improper handling of TRACE requests.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH72191 or PH72192. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to  How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 .   For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.7 using servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1  feature(s): · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72191 https://www.ibm.com/support/pages/node/7277460 --OR-- · Apply Fix Pack 26.0.0.8 or later (targeted availability 3Q2026). For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.28: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72192 https://www.ibm.com/support/pages/node/7281143 --OR-- · Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).   For V8.5.0.0 through 8.5.5.30: · Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves PH72192 https://www.ibm.com/support/pages/node/7281143 --OR-- · Apply Fix Pack 8.5.5.31 or later (targeted availability 3Q2026). Additional interim fixes may be available and linked off the interim fix download page.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to HTTP request smuggling due to improper handling of TRACE requests. IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling due to improper handling of TRACE requests.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to HTTP request smuggling due to improper handling of TRACE requests.
Title IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities
First Time appeared Ibm
Ibm websphere Application Server
Ibm websphere Application Server Liberty
Weaknesses CWE-444
CPEs cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.7:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm websphere Application Server
Ibm websphere Application Server Liberty
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 6, 2026, 8:24 PM
Reserved
Jul 9, 2026, 6:18 PM
Status
Modified
Published
Jul 28, 2026, 9:17 PM
Modified
Aug 6, 2026, 10:16 PM