REDHAT-BUG-2488309: High severity Apache Apache CXF vulnerability

Published Jun 12, 2026
·
Updated

Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity resolution. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue.

Affected Software

1 affected component
Apache Apache CXF>=0<4.2.1, >=0<4.1.6

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache CXF (EndpointReferenceUtils / W3CMultiSchemaFactory) to a version that resolves this vulnerability.

    Fixed in 4.2.2
  2. Upgrade

    Upgrade Apache CXF (EndpointReferenceUtils / W3CMultiSchemaFactory) to a version that resolves this vulnerability.

    Fixed in 4.1.7

Event History

Jun 12, 2026
Data Sourced
via Red Hat·10:01 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2488309?

The severity of REDHAT-BUG-2488309 is classified as high, with a rating of 7.

2

How do I fix REDHAT-BUG-2488309?

To fix REDHAT-BUG-2488309, users should upgrade to Apache CXF version 4.2.2 or 4.1.7.

3

What vulnerability does REDHAT-BUG-2488309 address?

REDHAT-BUG-2488309 addresses an issue with external entity resolution due to improper SAXParserFactory configurations in Apache CXF.

4

What are the affected components in REDHAT-BUG-2488309?

The affected components in REDHAT-BUG-2488309 are the EndpointReferenceUtils and W3CMultiSchemaFactory classes.

5

When was REDHAT-BUG-2488309 published?

REDHAT-BUG-2488309 was published on June 12, 2026.

Contact

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