Security advisory

{
  "id": "8ac8fa2b79a830945684a4f6885e41737341b0b0a86c61b0080c5efc33c4d5aa",
  "url": "https://osv.dev/vulnerability/CVE-2021-47748",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-47748",
    "summary": "Hasura GraphQL 1.3.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary shell commands through SQL query manipulation. Attackers can inject commands into the run_sql endpoint by crafting malicious GraphQL queries that execute system commands through PostgreSQL's COPY FROM PROGRAM functionality.",
    "evidence": "osv:CVE-2021-47748",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-47748",
      "aliases": [
        "CVE-2021-47748"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hasura/graphql-engine",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8c9ffbeb6d60226970f69b6ef5b08d9551d944e2"
                },
                {
                  "last_affected": "8c9ffbeb6d60226970f69b6ef5b08d9551d944e2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hasura:graphql_engine:1.3.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.3.3"
                      },
                      {
                        "last_affected": "1.3.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.3.3",
            "v1.3.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47748.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:12.119367227Z",
      "provider": "osv",
      "references": [
        "https://www.vulncheck.com/advisories/hasura-graphql-remote-code-execution",
        "https://github.com/hasura/graphql-engine",
        "https://www.exploit-db.com/exploits/49802"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-47748",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387060,
  "published_at": "2026-01-21T18:16:08.91+00:00"
}