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IBMCVE-2026-11710

IBM WebSphere Application Server: request smuggling

Medium6.5CVE-2026-11710 · Published Sep 18, 2026 · updated Sep 22, 2026

IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling vulnerability due to improper handling of Content-Length headers.

IBM advisory

Affected versions

PackageAffectedFixed in
WebSphere Application Server
Product
<= 8.5No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-444

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