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CVE-2026-15064: CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in IBM WebSphere Application Server

0
High
VulnerabilityCVE-2026-15064cvecve-2026-15064cwe-444
Published: 07/28/2026 (07/28/2026, 20:10:16 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: WebSphere Application Server

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 Response Smuggling due to improper handling of non-standard HTTP version tokens.

CVSS v3.1

Score 8.7high

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Affected software

Affected versions
9.08.5
CPE configurations (6)
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-07-08T14:31:56.928Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a6913179c2644c7f82b8b26

Added to database: 07/28/2026, 20:37:43 UTC

Last updated: 07/29/2026, 02:51:54 UTC

Views: 6

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