Medium 6.5Published Jun 12, 2026

CVE-2026-49875Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils

Updated under an hour ago (Oct 26, 2026, 10:30 PM ET)

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It affects Apache Software Foundation Apache CXF and 9 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache CXF

Exploited in the last 30 days

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: 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-611
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Undergoing Analysis
Record last updated: Aug 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache CXF apache_software_foundation:apache_cxf (from the name)	from 4.2.0 before 4.2.2; from 4.0.0 before 4.1.7; before 3.6.12	CNA record
Red Hat Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16 redhat:apache_camel_spring_boot	4.18	CISA ADP
Red Hat Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 redhat:apache_camel_quarkus	3.33	CISA ADP
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 redhat:camel_quarkus	3	CISA ADP
Red Hat Red Hat Fuse 7 redhat:jboss_fuse	7	CISA ADP
Red Hat Red Hat JBoss Enterprise Application Platform 7 redhat:jboss_enterprise_application_platform	7	CISA ADP
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack redhat:jbosseapxp	Versions not stated	CISA ADP
Red Hat Red Hat JBoss Web Server 5 redhat:jboss_enterprise_web_server	5	CISA ADP
Red Hat Red Hat Single Sign-On 7 redhat:red_hat_single_sign_on	7	CISA ADP
apache cxf apache:cxf	before 4.1.7; from 4.2.0 before 4.2.2	NVD

References

References

https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/06/11/2	mailing-list, third-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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.