Vulnerability DatabaseCVE-2026-110452
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CVE-2026-110452
Published:October 14, 2026
Updated:October 14, 2026
The multi-user installer in Nix before 2.35.3 sets the ownership of store contents to the user (who invoked the installer) even though it should be root ownership.
Affected Packages
https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.34.0 <2.34.9
Fix Suggestion:
Update to version 2.34.9
https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.35.0 <2.35.3
Fix Suggestion:
Update to version 2.35.3
https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.28.0 <2.28.8
Fix Suggestion:
Update to version 2.28.8
https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.30.0 <2.30.6
Fix Suggestion:
Update to version 2.30.6
Related Resources (2)
https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547
https://nvd.nist.gov/vuln/detail/CVE-2026-110452
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CVSS v4
Base Score:
5.1
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Incorrect Ownership Assignment
CWE-708