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CVE-2026-8646

nvd nist
Published: Jun 22, 2026Modified: Jun 24, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 3.9 / Impact: 5.2
Source: NVD

Description

IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application server thereby allowing the attacker to bypass security controls, spoof identity, escalate privilege, and expose sensitive information.

Affected (3)

Ibm
1 product
Websphere Application Server
Configuration A
3 vulnerable · 6 platform
Vulnerable SoftwareAffected Versions
Ibm
Websphere Application Server
From 8.5.0.0 to 8.5.5.30
Websphere Application Server
From 9.0.0.0 to 9.0.5.29
Websphere Application Server
From 17.0.0.3 to 26.0.0.7
Running on/withPlatform Versions
Apple
Macos
All versions
Ibm
Aix
All versions
Ibm
I
All versions
Ibm
Z/os
All versions
Linux
Linux Kernel
All versions
Microsoft
Windows
All versions

Related CWEs

CWE-444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

References (1)

Source: psirt@us.ibm.com
Vendor Advisory

Timeline

No history available yet.