Echo: golang.org/x/net: security update to v0.55.0+echo.1stdlib: security update to 0.56.0

high Tenable Cloud Security Plugin ID 459273

Description

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

- Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message
buffer. (CVE-2026-46600)

Solution

Update the stdlib library and its related packages to version 0.56.0 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-46600

Plugin Details

Severity: High

ID: 459273

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/10/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.17

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-2026-46600

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-46600