Vulnerability DatabaseCVE-2026-40226
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CVE-2026-40226
Published:April 10, 2026
Updated:April 20, 2026
In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.
Affected Packages
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) >=v259 <v259.4
Fix Suggestion:
Update to version v259.4
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) >=v258 <v258.6
Fix Suggestion:
Update to version v258.6
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) =v260 <v260.1
Fix Suggestion:
Update to version v260.1
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) >=v257 <v257.12
Fix Suggestion:
Update to version v257.12
Related Resources (1)
https://github.com/systemd/systemd/security/advisories/GHSA-9mj4-rrc3-gjcx
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CVSS v4
Base Score:
7.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Use of Less Trusted Source
CWE-348
EPSS
Base Score:
0.01