{"cve":"CVE-2018-11766","nvd":{"published":"2018-11-27T14:29:00.260","modified":"2026-06-17T01:36:32.797","status":"Modified","description":"In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["http://www.securityfocus.com/bid/106035","https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E","http://www.securityfocus.com/bid/106035","https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E"],"products":["apache:hadoop"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-11766","score":0.03244,"percentile":0.88306,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rqj9-cq6j-958r","url":"https://osv.dev/vulnerability/GHSA-rqj9-cq6j-958r","summary":"Arbitrary Command Execution in Hadoop","modified":"2024-12-02T05:44:05.029076Z","packages":[{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-main","purl":"pkg:maven/org.apache.hadoop/hadoop-main","ranges":[">=2.7.4 <2.7.7"],"fixed":["2.7.7"]}]}],"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."]}