RHLW-2026-bb458408b595d6af

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Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-bb458408b595d6af.json
Import Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-bb458408b595d6af.json
JSON Data
https://api.osv.dev/v1/vulns/RHLW-2026-bb458408b595d6af
Upstream
Published
2026-11-06T14:23:30Z
Modified
2026-11-06T19:30:03Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Lightwell Security Advisory: python-multipart 0.0.28+rhlw.1
Details

Red Hat Lightwell has released python-multipart 0.0.28+rhlw.1 with a backported security fix.

CVE-2026-53539: Python-Multipart: Quadratic-time querystring parsing with semicolon separators causes CPU denial of service

This patched artifact is a drop-in replacement for python-multipart 0.0.28 from PyPI.

References
Credits
    • Red Hat Lightwell - REMEDIATION_DEVELOPER

Affected packages

Red Hat Lightwell:PyPI / python-multipart

Package

Name
python-multipart
Purl
pkg:pypi/python-multipart

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0.0.28
Fixed
0.0.28+rhlw.1

Affected versions

0.*
0.0.28

Database specific

lightwell 
{
    "backport_base_version": "0.0.28",
    "remediated_version": "0.0.28+rhlw.1",
    "repository_url": "https://packages.redhat.com/lightwell/python/remediated/"
}
source 
"https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-bb458408b595d6af.json"