| Name | CVE-2026-110452 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1151197 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nix (PTS) | bookworm | 2.8.0-1.1 | vulnerable |
| trixie | 2.26.3+dfsg-1 | vulnerable |
| forky, sid | 2.35.4+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nix | source | (unstable) | 2.35.4+dfsg-1 | | | 1151197 |
Notes
[trixie] - nix <no-dsa> (Minor issue)
[bookworm] - nix <postponed> (Minor issue)
https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547
https://github.com/NixOS/nix/security/advisories/GHSA-hf6w-2rg9-v84g