CVE-2026-110452 | BDVDB-2026-389481 Detail

NixOSNix

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: local.

Weaknesses#

CWE-708 Incorrect Ownership Assignment

References#

https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547

Exploit#

No public exploit known

History#

Version 12026-10-14Record published in the CVE List.

Published

Published: 2026-10-14
Last modified: 2026-10-14

Vendor information

Vendor: NixOS
Product: Nix

All NixOS vulnerabilities

Score

4.0 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 2.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2.28.8
Fixed
2.28.8
Vulnerable
>= 2.29.0 and < 2.30.6
Fixed
2.30.6
Vulnerable
>= 2.31.0 and < 2.31.6
Fixed
2.31.6
Vulnerable
>= 2.32.0 and < 2.34.9
Fixed
2.34.9
Vulnerable
>= 2.35.0 and < 2.35.3
Fixed
2.35.3

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.0 Medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).