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SUSE Systemd Moderate Escape To Host Vulnerability Report 2026-2809-1

suse
Calendar Grey July 9, 2026
Dist Suse Esm H88
This update addresses a crucial issue in systemd on SUSE with moderate severity, advised for immediate installation.
An update that solves one vulnerability and has three security fixes can now be installed.

Summary

## This update for systemd fixes the following issue Security issues fixed: * CVE-2026-40226: nspawn: escape-to-host via malformed optional config file (bsc#1261400). Other updates and bugfixes: * Import commit 37508f8ec1 (bsc#1267647). * Import commit c7530fbea3 (bsc#1261982 bsc#1261983). * Import commit 5c4ed461a7 (bsc#1261982). * Import commit 4b963df038 (bsc#1261983).

Topics%20covered

Topics Covered

security advisory moderate SuSE systemd escape-to-host malformed config

References

* bsc#1261400

* bsc#1261982

* bsc#1261983

* bsc#1267647

Cross-

* CVE-2026-40226

CVSS scores:

* CVE-2026-40226 ( SUSE ): 7.1

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

* CVE-2026-40226 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-40226 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.4

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

An update that solves one vulnerability and has three security fixes can now be

installed.

##

* https://www.suse.com/security/cve/CVE-2026-40226.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261400

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2809-1
Release Date: 2026-07-09T06:08:36Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE systemd escape-to-host malformed config

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