CVE-2026-33033

{
  "id": "CVE-2026-33033",
  "sourceIdentifier": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
  "published": "2026-04-07T15:17:39.220",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en 6.0 anterior a 6.0.4, 5.2 anterior a 5.2.13 y 4.2 anterior a 4.2.30.\n’MultiPartParser’ permite a atacantes remotos degradar el rendimiento mediante el envío de cargas multipart con ’Content-Transfer-Encoding: base64’ que incluyen espacios en blanco excesivos.\nSeries de Django anteriores no compatibles (como 5.0.x, 4.1.x y 3.2.x) no fueron evaluadas y también podrían verse afectadas.\nDjango desea agradecer a Seokchan Yoon por informar sobre este problema."
    }
  ],
  "affected": [
    {
      "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
      "affectedData": [
        {
          "vendor": "djangoproject",
          "product": "Django",
          "defaultStatus": "unaffected",
          "collectionURL": "https://pypi.org/project/Django/",
          "packageName": "django",
          "repo": "https://github.com/django/django/",
          "versions": [
            {
              "version": "6.0",
              "lessThan": "6.0.4",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "6.0.4",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.2",
              "lessThan": "5.2.13",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "5.2.13",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "4.2",
              "lessThan": "4.2.30",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "4.2.30",
              "versionType": "semver",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-07T15:21:08.357477Z",
          "id": "CVE-2026-33033",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-407"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.2",
              "versionEndExcluding": "4.2.30",
              "matchCriteriaId": "C78D8198-229F-45A2-B09D-C1D272878E3E"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.2",
              "versionEndExcluding": "5.2.13",
              "matchCriteriaId": "5ED295FD-7063-40A1-9A3E-C0CC4D6F7BD3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "6.0",
              "versionEndExcluding": "6.0.4",
              "matchCriteriaId": "344A677E-BD67-42F0-9746-5B0D4C53815E"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://docs.djangoproject.com/en/dev/releases/security/",
      "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://groups.google.com/g/django-announce",
      "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://www.djangoproject.com/weblog/2026/apr/07/security-releases/",
      "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}