{"id":"GHSA-xw5h-cmh3-8j6j","aliases":["CVE-2026-49875"],"title":"Apache CXF has Improper Restriction of XML External Entity Reference","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issue.","severity":"critical","score":9.8,"published":"2026-06-12T12:31:33.000Z","modified":"2026-10-26T16:30:04.374Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","ranges":[{"events":[{"introduced":"4.2.0"},{"fixed":"4.2.2"}],"type":"ECOSYSTEM"}],"versions":["4.2.0","4.2.1"],"fixed":["4.2.2"]},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","ranges":[{"events":[{"introduced":"4.0.0"},{"fixed":"4.1.7"}],"type":"ECOSYSTEM"}],"versions":["4.0.0","4.0.1","4.0.10","4.0.11","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.0.8","4.0.9","4.1.0","4.1.1","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6"],"fixed":["4.1.7"]},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","ranges":[{"events":[{"introduced":"0"},{"fixed":"3.6.12"}],"type":"ECOSYSTEM"}],"versions":["3.0.0","3.0.0-milestone1","3.0.0-milestone2","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.16","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.1","3.1.10","3.1.11","3.1.12","3.1.13","3.1.14","3.1.15","3.1.16","3.1.17","3.1.18","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9","3.2.0","3.2.1","3.2.10","3.2.11","3.2.12","3.2.13","3.2.14","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9","3.3.0","3.3.1","3.3.10","3.3.11","3.3.12","3.3.13","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3.7","3.3.8","3.3.9","3.4.0","3.4.1","3.4.10","3.4.2","3.4.3","3.4.4","3.4.5","3.4.6","3.4.7","3.4.8","3.4.9","3.5.0","3.5.1","3.5.10","3.5.11","3.5.2","3.5.3","3.5.4","3.5.5","3.5.6","3.5.7","3.5.8","3.5.9","3.6.0","3.6.1","3.6.10","3.6.11","3.6.2","3.6.3","3.6.4","3.6.5","3.6.6","3.6.7","3.6.8","3.6.9"],"fixed":["3.6.12"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2026-49875","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://cxf.apache.org/security-advisories.data/CVE-2026-49875.txt","https://github.com/apache/cxf","https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.json","http://www.openwall.com/lists/oss-security/2026/06/11/2"],"sources":[{"name":"OSV","id":"GHSA-xw5h-cmh3-8j6j","modified":"2026-10-26T16:30:04.374737991Z","url":"https://osv.dev/vulnerability/GHSA-xw5h-cmh3-8j6j"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}]}