Detections
Analytics

Echo: org.apache.httpcomponents.client5:httpclient5: security update to 5.6.1

high Tenable Self-Hosted Container Security Plugin ID 463874

Description

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

 - Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to
 accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are
 recommended to upgrade to version 5.6.1, which fixes this issue. (CVE-2026-40542)

Solution

Update the org.apache.httpcomponents.client5:httpclient5 library and its related packages to version 5.6.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-40542

Plugin Details

Severity: High

ID: 463874

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: Low

Score: 2.8

Percentile: 22.52

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-40542

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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: 4/22/2026

Reference Information

CVE: CVE-2026-40542