{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.2"
              },
              {
                "fixed": "4.2.30"
              },
              {
                "introduced": "5.2"
              },
              {
                "fixed": "5.2.13"
              },
              {
                "introduced": "6.0"
              },
              {
                "fixed": "6.0.4"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "97aa3b7f08f51669e118f3af5ca91026e39664c3"
            },
            {
              "fixed": "3396992e837d5146270ea8112bb622c83fa4a919"
            },
            {
              "introduced": "9e7cc2b628fe8fd3895986af9b7fc9525034c1b0"
            },
            {
              "fixed": "7d831a9eeb88a6bf484af7b56fe29596bdbf09a6"
            },
            {
              "introduced": "36b5f39d9372147f0e758f590e35ee2b2bc317dd"
            },
            {
              "fixed": "141e791f48592011b0f38fb30d44291e3ce74ee0"
            }
          ],
          "repo": "https://github.com/django/django",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "DSF",
    "cwe_ids": [
      "CWE-407"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33033.json"
  },
  "details": "An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30.\n`MultiPartParser` allows remote attackers to degrade performance by submitting multipart uploads with `Content-Transfer-Encoding: base64` including excessive whitespace.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Seokchan Yoon for reporting this issue.",
  "id": "CVE-2026-33033",
  "modified": "2026-07-15T01:49:10.424632617Z",
  "published": "2026-04-07T14:22:48.624Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/django/django/"
    },
    {
      "type": "ADVISORY",
      "url": "https://docs.djangoproject.com/en/dev/releases/security/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33033.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33033"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.djangoproject.com/weblog/2026/apr/07/security-releases/"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/Django/"
    },
    {
      "type": "ARTICLE",
      "url": "https://groups.google.com/g/django-announce"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Potential denial-of-service vulnerability in MultiPartParser via base64-encoded file upload"
}