Detections
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Echo: systemd: security update to 257.9-1~deb13u1+e5

medium Tenable Self-Hosted Container Security Plugin ID 459635

Description

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

 - In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional
 config file. (CVE-2026-40226)

Solution

Update the systemd library and its related packages to version 257.9-1~deb13u1+e5 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-40226

Plugin Details

Severity: Medium

ID: 459635

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.35

CVSS v2

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 4.4

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

CVSS Score Source: CVE-2026-40226

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.6

Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/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: 4/11/2026

Vulnerability Publication Date: 4/10/2026

Reference Information

CVE: CVE-2026-40226