IBM WebSphere App Server Liberty DoS via crafted request (v19.0-26.0)
CVE-2026-4410 Published on May 27, 2026

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a denial of service
IBM WebSphere Application Server - Liberty 19.0.0.7 through 26.0.0.5 and IBM WebSphere Application Server 9.0, and 8.5 and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

Vendor Advisory NVD

Vulnerability Analysis

Attack Vector:
ADJACENT_NETWORK
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2026-4410 has been classified to as a Resource Exhaustion vulnerability or weakness.


Products Associated with CVE-2026-4410

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IBM Websphere Application Server Liberty
 
IBM WebSphere Application Server
 

Affected Versions

IBM WebSphere Application Server - Liberty: IBM WebSphere Application Server: