{"id":"CVE-2021-3878","aliases":["GHSA-5h9g-8xcv-qjq9"],"url":"https://o3.security/vulnerability/CVE-2021-3878","summary":"Improper Restriction of XML External Entity Reference in Stanford CoreNLP","details":"corenlp is vulnerable to Improper Restriction of XML External Entity Reference","published":"2021-10-15T14:15:07.857Z","modified":"2026-07-08T23:57:43.868093Z","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":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"edu.stanford.nlp:stanford-corenlp","fixedVersion":"4.3.1"}],"fix":{"url":"https://github.com/stanfordnlp/corenlp/commit/e5bbe135a02a74b952396751ed3015e8b8252e99","label":"stanfordnlp/corenlp@e5bbe13"},"references":[{"type":"FIX","url":"https://github.com/stanfordnlp/corenlp/commit/e5bbe135a02a74b952396751ed3015e8b8252e99"},{"type":"FIX","url":"https://huntr.dev/bounties/a11c889b-ccff-4fea-9e29-963a23a63dd2"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:57:43.868093Z"}}