{"id":"CVE-2016-10127","aliases":["GHSA-m269-wj6g-c459","PYSEC-2017-67"],"url":"https://o3.security/vulnerability/CVE-2016-10127","summary":"PySAML2 XML external entity attack","details":"PySAML2 allows remote attackers to conduct XML external entity (XXE) attacks via a crafted SAML XML request or response.","published":"2017-03-03T15:59:00.210Z","modified":"2026-10-20T10:46:05.533097167Z","cvss":{"score":9,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"pysaml2","fixedVersion":"4.5.0"}],"fix":{"url":"https://github.com/rohe/pysaml2/commit/6e09a25d9b4b7aa7a506853210a9a14100b8bc9b","label":"rohe/pysaml2@6e09a25"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2017/01/19/5"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/95376"},{"type":"ADVISORY","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=850716"},{"type":"FIX","url":"https://github.com/rohe/pysaml2/commit/6e09a25d9b4b7aa7a506853210a9a14100b8bc9b"},{"type":"FIX","url":"https://github.com/rohe/pysaml2/issues/366"},{"type":"FIX","url":"https://github.com/rohe/pysaml2/pull/379"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-10127"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-m269-wj6g-c459"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/pysaml2/PYSEC-2017-67.yaml"},{"type":"PACKAGE","url":"https://github.com/rohe/pysaml2"},{"type":"WEB","url":"https://web.archive.org/web/20200227195127/http://www.securityfocus.com/bid/95376"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-20T10:46:05.533097167Z"}}