Detections
Analytics

Echo: python3.13: security update to 3.13.5-2+e36

medium Tenable Cloud Security Plugin ID 457360

Description

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

 - When calling base64.b64decode() or related functions the decoding process would stop after encountering
 the first padded quad regardless of whether there was more information to be processed. This can lead to
 data being accepted which may be processed differently by other implementations. Use "validate=True" to
 enable stricter processing of base64 data. (CVE-2026-3446)

Solution

Update the python3.13 library and its related packages to version 3.13.5-2+e36 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-3446

Plugin Details

Severity: Medium

ID: 457360

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.39

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:C/A:N

CVSS Score Source: CVE-2026-3446

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 2.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2026

Vulnerability Publication Date: 4/10/2026

Reference Information

CVE: CVE-2026-3446