{"cve":"CVE-2018-11761","nvd":{"published":"2018-09-19T14:29:00.287","modified":"2026-06-17T01:36:31.900","status":"Modified","description":"In Apache Tika 0.1 to 1.18, the XML parsers were not configured to limit entity expansion. They were therefore vulnerable to an entity expansion vulnerability which can lead to a denial of service attack.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-611"],"references":["http://www.securityfocus.com/bid/105514","https://lists.apache.org/thread.html/5553e10bba5604117967466618f219c0cae710075819c70cfb3fb421%40%3Cdev.tika.apache.org%3E","https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E","https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","http://www.securityfocus.com/bid/105514"],"products":["apache:tika","oracle:business_process_management_suite"],"source":"nvd","synced_at":"2026-10-19T20:53:14.491561039+00:00"},"epss":{"cve":"CVE-2018-11761","score":0.0938,"percentile":0.954,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6jq2-789q-fff2","url":"https://osv.dev/vulnerability/GHSA-6jq2-789q-fff2","summary":"High severity vulnerability that affects org.apache.tika:tika-core","modified":"2023-11-08T03:59:46.823518Z","packages":[{"ecosystem":"Maven","name":"org.apache.tika:tika-core","purl":"pkg:maven/org.apache.tika/tika-core","ranges":[">=0.1 <1.19.1"],"fixed":["1.19.1"]}]}],"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."]}