Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Cxf | < 4.1.7 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79oVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/06/11/2Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36839
- https://access.redhat.com/errata/RHSA-2026:37390
- https://access.redhat.com/security/cve/CVE-2026-49875
- https://bugzilla.redhat.com/show_bug.cgi?id=2488309
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.json
FAQ
What is CVE-2026-49875?
CVE-2026-49875 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity reso...
How severe is CVE-2026-49875?
CVE-2026-49875 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-49875?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Cxf.