{"id":"CVE-2021-41411","aliases":["GHSA-rc57-9r3x-98cq"],"url":"https://o3.security/vulnerability/CVE-2021-41411","summary":"XML External Entity Reference in drools","details":"drools <=7.59.x is affected by an XML External Entity (XXE) vulnerability in KieModuleMarshaller.java. The Validator class is not used correctly, resulting in the XXE injection vulnerability.","published":"2022-06-16T10:15:09.007Z","modified":"2026-08-27T08:39:41.774445Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01255,"percentile":0.67987,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.drools:drools-core","fixedVersion":"7.60.0.Final"}],"fix":{"url":"https://github.com/kiegroup/drools/pull/3808","label":"kiegroup/drools#3808"},"references":[{"type":"FIX","url":"https://github.com/kiegroup/drools/pull/3808"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41411"},{"type":"WEB","url":"https://github.com/apache/incubator-kie-drools/pull/3808"},{"type":"PACKAGE","url":"https://github.com/kiegroup/drools"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:39:41.774445Z"}}