Detections
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Echo: libssh: security update to 0.12.0-3+e2

low Tenable Cloud Security Plugin ID 465033

Description

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

 - A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject
 shell metacharacters, exposing environment variables and causing unintended shell behavior.
 (CVE-2026-59846)

Solution

Update the libssh library and its related packages to version 0.12.0-3+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-59846

Plugin Details

Severity: Low

ID: 465033

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.86

CVSS v2

Risk Factor: Low

Base Score: 3.2

Temporal Score: 2.4

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

CVSS Score Source: CVE-2026-59846

CVSS v3

Risk Factor: Low

Base Score: 3.9

Temporal Score: 3.4

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/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: 7/21/2026

Vulnerability Publication Date: 7/21/2026

Reference Information

CVE: CVE-2026-59846

IAVA: 2026-A-0788