Chainguard: multiple python-3.13 packages: security update to 3.13.18_git20261030-r0

critical Tenable Cloud Security Plugin ID 478046

Description

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

- Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety
even without certificate revocation configured. Known compromised certificates will automatically be
rejected regardless of the SSLContext policy configuration. (CVE-2026-115557)

Solution

Update the python-3.13 library and its related packages to version 3.13.18_git20261030-r0 or later.

Plugin Details

Severity: Critical

ID: 478046

Version: Revision 1.1

Type: Local

Published: 10/31/2026

Updated: 10/31/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 92.83

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2026-115557

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

Vector: CVSS:3.0/AV:N/AC:H/PR:H/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: Critical

Base Score: 9.4

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/24/2026

Reference Information

CVE: CVE-2026-115557