Detections
Analytics

Echo: helm.sh/helm/v3: security update to 3.18.5

medium Tenable Self-Hosted Container Security Plugin ID 464737

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. Prior to version 3.18.5, it is possible to craft a
 JSON Schema file in a manner which could cause Helm to use all available memory and have an out of memory
 (OOM) termination. This issue has been resolved in Helm 3.18.5. A workaround involves ensuring all Helm
 charts that are being loaded into Helm do not have any reference of $ref pointing to /dev/zero.
 (CVE-2025-55199)

Solution

Update the helm.sh/helm/v3 library and its related packages to version 3.18.5 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-55199

Plugin Details

Severity: Medium

ID: 464737

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-55199

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/24/2025

Vulnerability Publication Date: 8/13/2025

Reference Information

CVE: CVE-2025-55199