Documenso before 2.13.0 Unauthenticated File Upload via /api/files/upload-pdf

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-82472",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-08-29T16:35:32.453Z",
    "dateReserved": "2026-08-29T14:11:13.578Z",
    "datePublished": "2026-08-29T16:35:32.453Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck",
        "dateUpdated": "2026-08-29T16:35:32.453Z"
      },
      "datePublic": "2026-06-18T00:00:00.000Z",
      "title": "Documenso before 2.13.0 Unauthenticated File Upload via /api/files/upload-pdf",
      "descriptions": [
        {
          "lang": "en",
          "value": "Documenso before 2.13.0 accepts PDF file uploads on the /api/files/upload-pdf endpoint without requiring authentication, session tokens, or API credentials. Unauthenticated attackers can upload arbitrary PDF files indefinitely to exhaust storage resources or fill the database with unlinked document records."
        }
      ],
      "affected": [
        {
          "vendor": "documenso",
          "product": "documenso",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.13.0"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Missing Authentication for Critical Function",
              "cweId": "CWE-306",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/documenso/documenso/commit/4f346d3c2d5264f221e4d787e162f16051e44114",
          "name": "Patch Commit",
          "tags": [
            "patch"
          ]
        },
        {
          "url": "https://github.com/documenso/documenso/blob/v2.12.0/apps/remix/server/api/files/files.ts",
          "tags": [
            "technical-description"
          ]
        },
        {
          "url": "https://github.com/documenso/documenso",
          "tags": [
            "product"
          ]
        },
        {
          "url": "https://www.vulncheck.com/advisories/documenso-before-2.13.0-unauthenticated-file-upload-via-api-files-upload-pdf",
          "name": "VulnCheck Advisory: Documenso before 2.13.0 Unauthenticated File Upload via /api/files/upload-pdf",
          "tags": [
            "third-party-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS"
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "George Chen",
          "type": "finder"
        }
      ]
    }
  }
}