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Echo: stdlib: security update to 1.25.8

medium Tenable Cloud Security Plugin ID 474123

Description

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

 - Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS
 if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been
 added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actions in the meta content
 attribute which follow "url=" by setting htmlmetacontenturlescape=0. (CVE-2026-27142)

Solution

Update the stdlib library and its related packages to version 1.25.8 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-27142

Plugin Details

Severity: Medium

ID: 474123

Version: Revision 1.1

Type: Local

Published: 10/10/2026

Updated: 10/10/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.17

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-27142

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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: 3/7/2026

Vulnerability Publication Date: 3/5/2026

Reference Information

CVE: CVE-2026-27142