CodeIgniter4 vulnerable to information disclosure when detailed error report is displayed in production environment

{
  "id": "3ee5f7c367dacedec2921f576533b2883d45545b5639bb92bda0360bf8f195a5",
  "url": "https://osv.dev/vulnerability/CVE-2023-46240",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CodeIgniter4 vulnerable to information disclosure when detailed error report is displayed in production environment",
    "summary": "CodeIgniter is a PHP full-stack web framework. Prior to CodeIgniter4 version 4.4.3, if an error or exception occurs, a detailed error report is displayed even if in the production environment. As a result, confidential information may be leaked. Version 4.4.3 contains a patch. As a workaround, replace `ini_set('display_errors', '0')` with `ini_set('display_errors', 'Off')` in `app/Config/Boot/production.php`.",
    "evidence": "osv:CVE-2023-46240",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-46240",
      "aliases": [
        "BIT-codeigniter-2023-46240",
        "CVE-2023-46240",
        "GHSA-hwxf-qxj7-7rfj"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/codeigniter4/codeigniter4",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4b71437eb02dd31941202deb136d324f3758b063"
                },
                {
                  "fixed": "423569fc31e29f51635a2e59c89770333f0e7563"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:codeigniter:codeigniter:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.4.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "423569fc31e29f51635a2e59c89770333f0e7563"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.4.2",
            "v4.4.1",
            "v4.4.0",
            "v4.3.8",
            "v4.3.7",
            "v4.3.6",
            "v4.3.5",
            "v4.3.4",
            "v4.3.3",
            "v4.3.2",
            "v4.3.1",
            "v4.3.0",
            "v4.2.12",
            "v4.2.11",
            "v4.2.10",
            "v4.2.9",
            "v4.2.7",
            "v4.2.6",
            "v4.2.5",
            "v4.2.4",
            "v4.2.3",
            "v4.2.2",
            "v4.2.1",
            "v4.2.0",
            "v4.1.9",
            "v4.1.8",
            "v4.1.7",
            "v4.1.6",
            "v4.1.5",
            "v4.1.4",
            "v4.1.3",
            "v4.1.2",
            "v4.1.1",
            "v4.1.0",
            "v4.0.5",
            "v4.0.3",
            "4.0.0",
            "v4.0.1",
            "v4.0.0-rc.4",
            "v4.0.0-rc.3",
            "v4.0.0-rc.2",
            "v4.0.0-rc.2b",
            "v4.0.0-rc.1",
            "v4.0.0-beta.4",
            "v4.0.0-beta.3",
            "v4.0.0-beta.1",
            "v4.0.0.0-alpha.5",
            "v4.0.0-alpha.5",
            "v4.0.0-alpha.4",
            "v4.0.0-alpha.3",
            "v4.0.0-alpha.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-46240.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.993209660Z",
      "provider": "osv",
      "references": [
        "https://codeigniter4.github.io/userguide/general/errors.html#error-reporting",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46240.json",
        "https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-hwxf-qxj7-7rfj",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-46240",
        "https://github.com/codeigniter4/CodeIgniter4/commit/423569fc31e29f51635a2e59c89770333f0e7563"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-209"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46240.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-46240",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488979,
  "published_at": "2023-10-31T15:03:51.798+00:00"
}