Detections
Analytics

Echo: stdlib: security update to 1.25.13

high Tenable Cloud Security Plugin ID 474168

Description

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

 - Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a
 handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages
 to force the server to keep performing key derivation operations indefinitely. (CVE-2026-56862)

Solution

Update the stdlib library and its related packages to version 1.25.13 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-56862

Plugin Details

Severity: High

ID: 474168

Version: Revision 1.1

Type: Local

Published: 10/10/2026

Updated: 10/10/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.65

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-2026-56862

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: 10/10/2026

Vulnerability Publication Date: 8/13/2026

Reference Information

CVE: CVE-2026-56862