Security advisory

{
  "id": "6d714c4ad5df022a725a1c114e7115e2b249c4917c8479babb677ac0e417298b",
  "url": "https://osv.dev/vulnerability/CVE-2021-26814",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-26814",
    "summary": "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.",
    "evidence": "osv:CVE-2021-26814",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-26814",
      "aliases": [
        "CVE-2021-26814",
        "GHSA-w36g-q975-37rg"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wazuh/wazuh",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8c2c62a6e9dcbcf2c792f7924e8cfdb26842820b"
                },
                {
                  "last_affected": "b839f0222c011d5f271d97189be51bc1d8e6c45b"
                },
                {
                  "fixed": "e79fcc448e372e06c83c4d5f45f9e9c36c67b525"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "last_affected": "4.0.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e79fcc448e372e06c83c4d5f45f9e9c36c67b525"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v4.0.4"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.0.3",
            "v4.0.2",
            "v4.0.1",
            "v4.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26814.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:34.703043220Z",
      "provider": "osv",
      "references": [
        "https://documentation.wazuh.com/4.0/release-notes/release_4_0_4.html",
        "https://github.com/wazuh/wazuh/releases/tag/v4.0.4"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-26814",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385634,
  "published_at": "2021-03-06T02:15:12.1+00:00"
}