Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.5%
exploitation probability
0.5%top 58% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Apache Software Foundation · Apache CXFReferences
https://access.redhat.com/errata/RHSA-2026:36839https://access.redhat.com/errata/RHSA-2026:37390https://access.redhat.com/security/cve/CVE-2026-49875https://bugzilla.redhat.com/show_bug.cgi?id=2488309https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79ohttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.jsonhttp://www.openwall.com/lists/oss-security/2026/06/11/2