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Echo: helm.sh/helm/v3: security update to 3.20.2

medium Tenable Cloud Security Plugin ID 455254

Description

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

 - Helm is a package manager for Charts for Kubernetes. In Helm versions <=3.20.1 and <=4.1.3, a specially
 crafted Chart will cause helm pull --untar [chart URL | repo/chartname] to write the Chart's contents to
 the immediate output directory (as defaulted to the current working directory; or as given by the
 --destination and --untardir flags), rather than the expected output directory suffixed by the chart's
 name. This vulnerability is fixed in 3.20.2 and 4.1.4. (CVE-2026-35206)

Solution

Update the helm.sh/helm/v3 library and its related packages to version 3.20.2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-35206

Plugin Details

Severity: Medium

ID: 455254

Version: Revision 1.2

Type: Local

Published: 10/1/2026

Updated: 10/5/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.71

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS Score Source: CVE-2026-35206

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.1

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 4/9/2026

Reference Information

CVE: CVE-2026-35206