Security advisory

{
  "id": "0ca4f3e9c98eca3c373c8e0debcefa0d80d177414a9917d0d0e47830dd886ec3",
  "url": "https://osv.dev/vulnerability/CVE-2017-16894",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-16894",
    "summary": "In Laravel framework through 5.5.21, remote attackers can obtain sensitive information (such as externally usable passwords) via a direct request for the /.env URI. NOTE: this CVE is only about Laravel framework's writeNewEnvironmentFileWith function in src/Illuminate/Foundation/Console/KeyGenerateCommand.php, which uses file_put_contents without restricting the .env permissions. The .env filename is not used exclusively by Laravel framework.",
    "evidence": "osv:CVE-2017-16894",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-16894",
      "aliases": [
        "CVE-2017-16894"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/laravel/framework",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "6321069a75723d88103526903d3192f0b231544a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:laravel:laravel:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.5.21"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v5.5.21",
            "v5.5.20",
            "v5.5.19",
            "v5.5.18",
            "v5.5.17",
            "v5.5.16",
            "v5.5.15",
            "v5.5.14",
            "v5.5.13",
            "v5.5.12",
            "v5.5.10",
            "v5.5.9",
            "v5.5.7",
            "v5.5.6",
            "v5.5.5",
            "v5.5.4",
            "v5.5.3",
            "v5.5.2",
            "v5.5.1",
            "v5.5.0",
            "v4.1.0",
            "v4.0.0",
            "v4.0.0-BETA4",
            "v4.0.0-BETA3",
            "v4.0.0-BETA2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-16894.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:38.353893764Z",
      "provider": "osv",
      "references": [
        "https://twitter.com/finnwea/status/967709791442341888"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:laravel:laravel:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "laravel:laravel",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "5.5.21"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-16894",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434426,
  "published_at": "2017-11-20T01:29:00.227+00:00"
}