CVE-2026-15064
High
Description
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.
SeverityHigh
CVSS8.7
Exploit probability—
Product
Ibm Websphere Application Server
PublishedJul 28, 2026
First seenJul 28, 2026
Weakness typeCWE-444CWE-444
How to fix
Update
- ibm websphere_application_server8.5.5.31, 9.0.5.29, 26.0.0.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm websphere_application_server | 8.5.0.0 ≤ v < 8.5.5.31, 9.0.0.0 ≤ v < 9.0.5.29, 17.0.0.3 ≤ v < 26.0.0.8 | 8.5.5.31, 9.0.5.29, 26.0.0.8 |
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