{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ce1ab74c6fe6a7c5f776ba8e62ec0fcf812414c9"
            }
          ],
          "repo": "https://github.com/webmin/webmin",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "cisa-cg",
    "cwe_ids": [
      "CWE-185",
      "CWE-777"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56021.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "*"
          },
          {
            "last_affected": "*"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern.",
  "id": "CVE-2026-56021",
  "modified": "2026-07-08T05:37:39.909213017Z",
  "published": "2026-06-18T16:11:46.310Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-02.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56021.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/webmin/webmin/releases/tag/2.641"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56021"
    },
    {
      "type": "ADVISORY",
      "url": "https://webmin.com/security/#webmin-prior-to-2641"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-56021"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Webmin information disclosure via regex pattern"
}