Detections
Analytics

Echo: python-multipart: security update to 0.0.22+echo.1

medium Tenable Self-Hosted Container Security Plugin ID 459546

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Python-Multipart is a streaming multipart parser for Python. Versions prior to 0.0.26 have a denial of
 service vulnerability when parsing crafted `multipart/form-data` requests with large preamble or epilogue
 sections. Upgrade to version 0.0.26 or later, which skips ahead to the next boundary candidate when
 processing leading CR/LF data and immediately discards epilogue data after the closing boundary.
 (CVE-2026-40347)

Solution

Update the python-multipart library and its related packages to version 0.0.22+echo.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-40347

Plugin Details

Severity: Medium

ID: 459546

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-40347

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/26/2026

Vulnerability Publication Date: 4/15/2026

Reference Information

CVE: CVE-2026-40347