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CVE-2026-15064

HIGH
8.7
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-15064
State
PUBLISHED
Assigner
ibm
Reserved
2026-07-08 14:31 UTC
Published
2026-07-28 20:10 UTC
Last updated
2026-07-28 20:11 UTC
Primary CWE
CWE-444
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP …
Vendor / Product
IBM / WebSphere Application Server
Sources
cve.org  ·  NVD

Severity & Metrics

8.7 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Affected products (2)
VendorProductPlatformVersions
IBM WebSphere Application Server — 9.0, 8.5
IBM WebSphere Application Server - Liberty — 17.0.0.3 ≤ 26.0.0.7
Weakness (CWE)
CWESourceDescription
CWE-444 cna CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.7 HIGH 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
References (1)
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