Path Traversal in Kludex Python-multipart

CVE-2026-24486

Python-Multipart is a streaming multipart parser for Python. Prior to version 0.0.22, a Path Traversal vulnerability exists when using non-default configuration options `UPLOAD_DIR` and `UPLOAD_KEEP_FILENAME=True`. An attacker can write up…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.010 (77.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-24486?
CVE-2026-24486 is a high-severity vulnerability in Kludex Python-multipart, classified under Path Traversal. CVSS score: 8.6/10. Published 2026-01-27.
How severe is CVE-2026-24486?
High severity. CVSS v3 base score is 8.6 out of 10.