Improper input validation in Kludex Python-multipart

CVE-2026-53537

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.30, parse_options_header parsed Content-Disposition (and Content-Type) headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The ex…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-53537?
CVE-2026-53537 is a low-severity vulnerability in Kludex Python-multipart, classified under Improper Input Validation. CVSS score: 3.7/10. Published 2026-06-22.
How severe is CVE-2026-53537?
Low severity. CVSS v3 base score is 3.7 out of 10.