Detections
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Echo: js-yaml: security update to 3.15.0

high Tenable Cloud Security Plugin ID 464394

Description

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

 - js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 before 3.15.0 and from 4.0.0 before 4.3.0, js-
 yaml can spend quadratic CPU time parsing a document whose size grows only linearly when a chain of
 mappings uses merge keys where each mapping merges the previous one. This issue is fixed in versions
 3.15.0 and 4.3.0. (CVE-2026-59869)

Solution

Update the js-yaml library and its related packages to version 3.15.0 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-59869

Plugin Details

Severity: High

ID: 464394

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: Medium

Score: 5

Percentile: 93.48

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-59869

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 7/8/2026

Reference Information

CVE: CVE-2026-59869