{"id":"CVE-2026-49875","aliases":["GHSA-xw5h-cmh3-8j6j"],"url":"https://o3.security/vulnerability/CVE-2026-49875","summary":"Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils","details":"Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) \nexternal entity resolution. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue.","published":"2026-06-12T08:54:50.103Z","modified":"2026-10-02T23:41:11.135169077Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.00525,"percentile":0.43033,"asOf":"2026-09-15"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","fixedVersion":"4.2.2"},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","fixedVersion":"4.1.7"}],"fix":null,"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/06/11/2"},{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36839"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37390"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-49875"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49875.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49875"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488309"},{"type":"WEB","url":"https://cxf.apache.org/security-advisories.data/CVE-2026-49875.txt"},{"type":"PACKAGE","url":"https://github.com/apache/cxf"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-02T23:41:11.135169077Z"}}