CVE-2026-49875
Critical
Description
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 or 3.6.12, which fix this issue.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Apache Cxf
PublishedJun 12, 2026
First seenJun 12, 2026
Weakness typeCWE-611XML external entity (XXE)
How to fix
Update
- apache cxf4.1.7, 4.2.2, 3.6.12 or later
- org.apache.cxf:cxf-core4.2.2, 4.1.7, 3.6.12 or later
- redhat jboss_enterprise_application_platform8.1.8 or later
- redhat build_of_apache_camel3.33.2, 4.18.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache cxf | v < 4.1.7, 4.2.0 ≤ v < 4.2.2, v < 3.6.12, 4.0.0 ≤ v < 4.1.7 | 4.1.7, 4.2.2, 3.6.12 |
| org.apache.cxf:cxf-coreMaven | 4.2.0 ≤ v < 4.2.2, 4.0.0 ≤ v < 4.1.7, v < 3.6.12 | 4.2.2, 4.1.7, 3.6.12 |
| redhat jboss_enterprise_application_platform | 8.1 ≤ v < 8.1.8, 7.0 | 8.1.8 |
| redhat build_of_apache_camel | v < 3.33.2, v < 4.18.1, 3.33.2, 4.18.1 | 3.33.2, 4.18.1 |
| redhat fuse | 7.0.0 | — |
| redhat jboss_web_server | 5.0 | — |
| redhat single_sign-on | 7.0 | — |
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