{"cve":"CVE-2026-33033","nvd":{"published":"2026-04-07T15:17:39.220","modified":"2026-10-26T21:10:00.170","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-407"],"references":["https://docs.djangoproject.com/en/dev/releases/security/","https://groups.google.com/g/django-announce","https://www.djangoproject.com/weblog/2026/apr/07/security-releases/"],"products":["djangoproject:django"],"source":"nvd","synced_at":"2026-10-26T21:38:48.864438205+00:00"},"epss":{"cve":"CVE-2026-33033","score":0.00879,"percentile":0.58805,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-5mf9-h53q-7mhq","url":"https://osv.dev/vulnerability/GHSA-5mf9-h53q-7mhq","summary":"Django has potential DoS via MultiPartParser through crafted multipart uploads","modified":"2026-09-10T03:50:43.008740278Z","packages":[{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=6.0 <6.0.4"],"fixed":["6.0.4"]},{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=5.2 <5.2.13"],"fixed":["5.2.13"]},{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=4.2 <4.2.30"],"fixed":["4.2.30"]}]},{"id":"PYSEC-2026-48","url":"https://osv.dev/vulnerability/PYSEC-2026-48","summary":"","modified":"2026-06-10T17:01:10.011691805Z","packages":[{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=4.2 <4.2.30",">=5.2 <5.2.13",">=6.0 <6.0.4"],"fixed":["4.2.30","5.2.13","6.0.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}