CVE-2026-120641

Full vulnerability record from the local CVENow database.

Description

CGI versions before 5.00 for Perl return upload filenames with any client-supplied path, including ../ and Windows paths. The name returned for an uploaded file is the filename parameter of the part's Content-Disposition header, unchanged. An application that saves the upload under this name can be made to write outside the intended directory.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

9b29abf9-4ab0-4765-b253-1875cd9b441e

Published

2026-11-04 00:17:25.527000

Last modified

2026-11-04 00:17:25.527000

View original CVE JSON

{
  "id": "CVE-2026-120641",
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "published": "2026-11-04T00:17:25.527",
  "lastModified": "2026-11-04T00:17:25.527",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "CGI versions before 5.00 for Perl return upload filenames with any client-supplied path, including ../ and Windows paths.\n\nThe name returned for an uploaded file is the filename parameter of the part's Content-Disposition header, unchanged.\n\nAn application that saves the upload under this name can be made to write outside the intended directory."
    }
  ],
  "affected": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "collectionURL": "https://cpan.org/modules",
          "packageName": "CGI",
          "modules": [
            "CGI"
          ],
          "programFiles": [
            "lib/CGI.pm"
          ],
          "programRoutines": [
            {
              "name": "CGI::read_multipart"
            },
            {
              "name": "CGI::param"
            },
            {
              "name": "CGI::upload"
            }
          ],
          "repo": "https://github.com/leejo/CGI.pm",
          "packageURL": "pkg:cpan/CGI",
          "versions": [
            {
              "version": "0",
              "lessThan": "5.00",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "weaknesses": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/leejo/CGI.pm/commit/5379eb18e87b7f985613f5c4f7bae94478a4fa2f.patch",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    },
    {
      "url": "https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    },
    {
      "url": "https://metacpan.org/release/LEEJO/CGI-5.00/changes",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    }
  ]
}