{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.15.1"
              },
              {
                "fixed": "v0.15.1"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5613d16fe7d144abed0c880abe9f4c49897cf1f5"
            }
          ],
          "repo": "https://github.com/fastschema/fastschema",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "TuranSec",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72583.json"
  },
  "details": "A stored cross-site scripting (XSS) vulnerability in fastschema through v0.15.1 allows a low-privileged authenticated user to upload an SVG file containing malicious JavaScript by bypassing the MIME type allow-list check.",
  "id": "CVE-2026-72583",
  "modified": "2026-08-12T03:51:47.773637954Z",
  "published": "2026-08-10T10:41:24.636Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72583.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/fastschema/fastschema"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72583"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/fastschema/fastschema/blob/main/pkg/rclonefs/base.go"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "fastschema - Stored Cross-Site Scripting via MIME Type Bypass in File Upload"
}