Vulnerability in Kludex Python-multipart
CVE-2026-53540
Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.31, parse_form() did not validate the Content-Length header before using it to bound its chunked read of the request body. A negative Content-Length turned the bound…
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:N/A:L.
Affected products
- Kludex Python-multipart — versions < 0.0.31
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-53540?
- CVE-2026-53540 is a low-severity vulnerability in Kludex Python-multipart, classified under Improper Validation of Specified Quantity in Input. CVSS score: 3.7/10. Published 2026-06-22.
- How severe is CVE-2026-53540?
- Low severity. CVSS v3 base score is 3.7 out of 10.