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High 8.6Published Jan 26, 2026

CVE-2026-24486Python-Multipart has Arbitrary File Write via Non-Default Configuration

Updated under an hour ago ()

Does this affect you?

It affects Kludex python-multipart and 8 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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 uploaded files to arbitrary locations on the filesystem by crafting a malicious filename. Users should upgrade to version 0.0.22 to receive a patch or, as a workaround, avoid using `UPLOAD_KEEP_FILENAME=True` in project configurations.

CVSS
8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Weakness (CWE)
CWE-22
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Modified
Record last updated
Sep 16, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Kludex python-multipart
kludex:python_multipart (from the name)
before 0.0.22
CNA record
Red Hat Red Hat AI Inference Server 3.2
redhat:ai_inference_server
from 1772160593 not affected
CISA ADP
Red Hat Red Hat Ansible Automation Platform 2.6
redhat:ansible_automation_platform
from 1772204398 not affected
CISA ADP
from 1776338381 not affected
CISA ADP
from 1784834402 not affected
CISA ADP
Red Hat Lightspeed Core
redhat:lightspeed_core
All versions
CISA ADP
Red Hat OpenShift Lightspeed
redhat:openshift_lightspeed
Versions not stated
CISA ADP
3
CISA ADP
fastapiexpert python-multipart
fastapiexpert:python-multipart
before 0.0.22
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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