REDHAT-BUG-2443010: Medium severity Red Hat Undertow vulnerability

Published Feb 26, 2026
·
Updated

A vulnerability was identified in Undertow (as used in Wildfly) where the server prematurely parses and stores multipart/form-data content to the disk when receiving an HTTP GET request, provided the underlying application (e.g., JSF) invokes parameter-parsing methods like getParameterMap().

Affected Software

2 affected components
Red Hat Undertow
Red Hat WildFly

Event History

Feb 26, 2026
Data Sourced
via Red Hat·02:27 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2443010?

The severity of REDHAT-BUG-2443010 is considered to be high due to the potential exposure of sensitive data.

2

How do I fix REDHAT-BUG-2443010?

To fix REDHAT-BUG-2443010, ensure that your applications do not invoke parameter-parsing methods on multipart/form-data content over HTTP GET requests.

3

Which versions of WildFly are affected by REDHAT-BUG-2443010?

REDHAT-BUG-2443010 affects all versions of Red Hat WildFly that utilize the Undertow framework.

4

Where does REDHAT-BUG-2443010 manifest?

REDHAT-BUG-2443010 manifests when an application improperly handles multipart/form-data in HTTP GET requests.

5

Is REDHAT-BUG-2443010 specific to any particular application framework?

Yes, REDHAT-BUG-2443010 is primarily relevant to applications using JSF that utilize Undertow for handling HTTP requests.

Contact

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