CVE-2026-15325 Details
Description
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling due to improper handling of TRACE requests.
A vulnerability allowing HTTP request smuggling has been identified in IBM WebSphere Application Server versions 9.0 and 8.5, as well as in IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.7. This vulnerability arises from improper handling of TRACE requests, which can be exploited to manipulate the way HTTP requests are processed, potentially leading to desynchronization between servers and intermediaries.
Users are advised to upgrade to the latest fix pack or interim fix that addresses this vulnerability. For WebSphere Application Server Liberty versions 17.0.0.3 to 26.0.0.7, the recommended action is to apply Fix Pack 26.0.0.8 or later. For WebSphere Application Server traditional versions 9.0.0.0 through 9.0.5.28, users should upgrade to version 9.0.5.29 or later. For versions 8.5.0.0 through 8.5.5.30, upgrade to version 8.5.5.31 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 29, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.ibm.com/support/pages/node/7281625 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-444 | Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ibm websphere application server | >= 8.5.0.0, < 8.5.5.31 >= 9.0.0.0, < 9.0.5.29 >= 17.0.0.3, < 26.0.0.8 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 6, 2026 | CVE Modified | [email protected] |
| Aug 5, 2026 | Initial Analysis | [email protected] |
| Jul 30, 2026 | CVE Modified | CISA-ADP |
| Jul 29, 2026 | CVE Modified | CISA-ADP |
| Jul 28, 2026 | New CVE Received | [email protected] |