{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33033","assignerOrgId":"6a34fbeb-21d4-45e7-8e0a-62b95bc12c92","state":"PUBLISHED","assignerShortName":"DSF","dateReserved":"2026-03-17T17:36:23.992Z","datePublished":"2026-04-07T14:22:48.624Z","dateUpdated":"2026-04-07T15:21:27.926Z"},"containers":{"cna":{"providerMetadata":{"orgId":"6a34fbeb-21d4-45e7-8e0a-62b95bc12c92","shortName":"DSF","dateUpdated":"2026-04-07T14:22:48.624Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-407","description":"CWE-407: Inefficient Algorithmic Complexity","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130: Excessive Allocation"}]}],"title":"Potential denial-of-service vulnerability in MultiPartParser via base64-encoded file upload","metrics":[{"other":{"content":{"value":"moderate","namespace":"https://docs.djangoproject.com/en/dev/internals/security/#security-issue-severity-levels"},"type":"Django severity rating"}}],"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30.</p><p>`MultiPartParser` allows remote attackers to degrade performance by submitting multipart uploads with `Content-Transfer-Encoding: base64` including excessive whitespace.</p><p>Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.</p><p>Django would like to thank Seokchan Yoon for reporting this issue.</p>"}]}],"affected":[{"collectionURL":"https://pypi.org/project/Django/","defaultStatus":"unaffected","packageName":"django","product":"Django","repo":"https://github.com/django/django/","vendor":"djangoproject","versions":[{"status":"affected","version":"6.0","lessThan":"6.0.4","versionType":"semver"},{"status":"unaffected","version":"6.0.4","versionType":"semver"},{"status":"affected","version":"5.2","lessThan":"5.2.13","versionType":"semver"},{"status":"unaffected","version":"5.2.13","versionType":"semver"},{"status":"affected","version":"4.2","lessThan":"4.2.30","versionType":"semver"},{"status":"unaffected","version":"4.2.30","versionType":"semver"}]}],"references":[{"url":"https://docs.djangoproject.com/en/dev/releases/security/","name":"Django security archive","tags":["vendor-advisory"]},{"url":"https://groups.google.com/g/django-announce","name":"Django releases announcements","tags":["mailing-list"]},{"url":"https://www.djangoproject.com/weblog/2026/apr/07/security-releases/","name":"Django security releases issued: 6.0.4, 5.2.13, and 4.2.30","tags":["vendor-advisory"]}],"credits":[{"lang":"en","type":"reporter","value":"Seokchan Yoon"},{"lang":"en","type":"remediation developer","value":"Natalia Bidart"},{"lang":"en","type":"coordinator","value":"Jacob Walls"}],"timeline":[{"lang":"en","time":"2026-02-19T12:00:00.000Z","value":"Initial report received."},{"lang":"en","time":"2026-03-17T12:00:00.000Z","value":"Vulnerability confirmed."},{"lang":"en","time":"2026-04-07T09:00:00.000Z","value":"Security release issued."}],"datePublic":"2026-04-07T09:00:00.000Z","source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-07T15:21:08.357477Z","id":"CVE-2026-33033","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-07T15:21:27.926Z"}}]}}