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Echo: stdlib: security update to 1.26.9

medium Tenable Self-Hosted Container Security Plugin ID 474158

Description

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

 - When a JavaScript template literal contains consecutive expressions, the context tracking state was not
 properly reset upon entering a new expression. We now ensure that template-literal expression entries
 correctly reset context variables so all subsequent regular expression literals are accurately recognized
 and escaped. (CVE-2026-94448)

Solution

Update the stdlib library and its related packages to version 1.26.9 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-94448

Plugin Details

Severity: Medium

ID: 474158

Version: Revision 1.1

Type: Local

Published: 10/10/2026

Updated: 10/10/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 10.1

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2026-94448

CVSS v3

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5.1

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/10/2026

Vulnerability Publication Date: 10/8/2026

Reference Information

CVE: CVE-2026-94448