{"cve":"CVE-2026-49875","nvd":{"published":"2026-06-12T10:16:22.340","modified":"2026-10-26T11:10:00.157","status":"Undergoing Analysis","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-611"],"references":["https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o","http://www.openwall.com/lists/oss-security/2026/06/11/2","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"],"products":["apache:cxf"],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-49875","score":0.00516,"percentile":0.43667,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-xw5h-cmh3-8j6j","url":"https://osv.dev/vulnerability/GHSA-xw5h-cmh3-8j6j","summary":"Apache CXF has Improper Restriction of XML External Entity Reference","modified":"2026-10-02T23:30:07.829681207Z","packages":[{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","purl":"pkg:maven/org.apache.cxf/cxf-core","ranges":[">=4.2.0 <4.2.2"],"fixed":["4.2.2"]},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","purl":"pkg:maven/org.apache.cxf/cxf-core","ranges":["<4.1.7"],"fixed":["4.1.7"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}