Detections
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Echo: rsync: security update to 3.5.0+ds1-1

critical Tenable Self-Hosted Container Security Plugin ID 462121

Description

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

 - rsync before 3.5.0 contains multiple command and argument injection vulnerabilities that allow attackers
 to execute arbitrary commands by supplying malicious input through several code paths, including the
 RSYNC_CONNECT_PROG environment variable, daemon hooks, the rsync-ssl wrapper, and remote-shell command
 newline injection. Attackers can inject shell metacharacters or newline characters into unsanitized user-
 supplied values such as hostnames and hostspecs to execute arbitrary commands under the privileges of the
 rsync process or the invoking user. (CVE-2026-53790)

Solution

Update the rsync library and its related packages to version 3.5.0+ds1-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-53790

Plugin Details

Severity: Critical

ID: 462121

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.18

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-53790

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 7.2

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 8/13/2026

Reference Information

CVE: CVE-2026-53790

IAVA: 2026-A-0906