Security advisory

{
  "id": "9c5aa556e456fad2390c83989d1cfba8dce9f72e305b43ace0084b2136e77962",
  "url": "https://osv.dev/vulnerability/CVE-2021-41116",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41116",
    "summary": "Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependencies are subject to command injection and should upgrade their composer version. Other OSs and WSL are not affected. The issue has been resolved in composer versions 1.10.23 and 2.1.9. There are no workarounds for this issue.",
    "evidence": "osv:CVE-2021-41116",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-41116",
      "aliases": [
        "BIT-composer-2021-41116",
        "CVE-2021-41116",
        "GHSA-frqg-7g38-6gcf"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/composer/composer",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "eb3bae3d3de2e4abd94fa56fbe18355aba0b47ae"
                },
                {
                  "introduced": "378b34c5e33c71d194f33e1b73a62ba22148ff13"
                },
                {
                  "fixed": "e558c88f28d102d497adec4852802c0dc14c7077"
                },
                {
                  "fixed": "ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:getcomposer:composer:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.10.23"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:getcomposer:composer:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "fixed": "2.1.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.0-alpha10",
            "1.0.0-alpha9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41116.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:57.315058524Z",
      "provider": "osv",
      "references": [
        "https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcf",
        "https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa",
        "https://www.sonarsource.com/blog/securing-developer-tools-package-managers/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "tenable:tenable.sc",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "5.21.0"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-41116",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386532,
  "published_at": "2021-10-05T18:15:08.407+00:00"
}