{"cve":"CVE-2021-26814","nvd":{"published":"2021-03-06T02:15:12.100","modified":"2026-06-17T03:43:49.140","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-22"],"references":["https://documentation.wazuh.com/4.0/release-notes/release_4_0_4.html","https://github.com/wazuh/wazuh/releases/tag/v4.0.4","https://documentation.wazuh.com/4.0/release-notes/release_4_0_4.html","https://github.com/wazuh/wazuh/releases/tag/v4.0.4"],"products":["wazuh:wazuh"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-26814","score":0.08746,"percentile":0.95157,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-w36g-q975-37rg","url":"https://osv.dev/vulnerability/GHSA-w36g-q975-37rg","summary":"Improper Input Validation (RCE)","modified":"2023-11-08T04:05:22.404105Z","packages":[{"ecosystem":"npm","name":"wazuh","purl":"pkg:npm/wazuh","ranges":[">=4.0.0 <4.0.4"],"fixed":["4.0.4"]}]}],"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."]}