{"id":"CVE-2021-26814","aliases":["GHSA-w36g-q975-37rg"],"url":"https://o3.security/vulnerability/CVE-2021-26814","summary":"Improper Input Validation (RCE)","details":"Wazuh API in Wazuh from 4.0.0 to 4.0.3 allows authenticated users to execute arbitrary code with administrative privileges via /manager/files URI. An authenticated user to the service may exploit incomplete input validation on the /manager/files API to inject arbitrary code within the API service script.","published":"2021-03-06T02:15:12.100Z","modified":"2026-08-07T15:15:23.255514Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"wazuh","fixedVersion":"4.0.4"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://documentation.wazuh.com/4.0/release-notes/release_4_0_4.html"},{"type":"ADVISORY","url":"https://github.com/wazuh/wazuh/releases/tag/v4.0.4"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:15:23.255514Z"}}