Vulnerability in Djangoproject Django

CVE-2026-33033

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. `MultiPartParser` allows remote attackers to degrade performance by submitting multipart uploads with `Content-Transfer-Encoding: base64` including exce…

EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-33033?
CVE-2026-33033 is a medium-severity vulnerability in Djangoproject Django, classified under Inefficient Algorithmic Complexity. CVSS score: 6.5/10. Published 2026-04-07.
How severe is CVE-2026-33033?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2026-33033 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.