CVE-2026-10852
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Denial of Service in IBM WebSphere WebServer Plug-in

Publication date: 2026-06-22

Last updated on: 2026-06-22

Assigner: IBM Corporation

Description
IBM i 7.6, 7.5, 7.4, and 7.3, IBM WebSphere Application Server, and IBM WebSphere Application Server Liberty are vulnerable to denial of service in the WebSphere WebServer Plug-in component when an attacker can pass crafted requests to the web server.
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Meta Information
Published
2026-06-22
Last Modified
2026-06-22
Generated
2026-06-23
AI Q&A
2026-06-22
EPSS Evaluated
N/A
NVD
CVE-2026-10852
EUVD
EUVD-2026-38346
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
ibm websphere_application_server From 7.3 (inc) to 7.6 (inc)
ibm websphere_application_server_liberty From 7.3 (inc) to 7.6 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

CVE-2026-10852 is a vulnerability in IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, specifically in the WebSphere WebServer Plug-in component. It allows an attacker to cause a denial of service by passing specially crafted requests to the web server.

Impact Analysis

This vulnerability can impact you by causing a denial of service (DoS) condition on the affected IBM WebSphere Application Server or Liberty server. An attacker can send crafted requests that disrupt the normal operation of the web server, potentially making the service unavailable to legitimate users.

Mitigation Strategies

To mitigate this vulnerability, IBM recommends applying the provided PTFs specific to your IBM i version: SJ10119 for 7.3, SJ10120 for 7.4, SJ10121 for 7.5, and SJ10122 for 7.6.

Currently, no workarounds are available, so applying these patches is the immediate and necessary step to reduce the risk of denial of service attacks via the WebSphere Web Server Plug-in component.

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