| Name | CVE-2026-44029 |
| Description | An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7); |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| nix (PTS) | bullseye | 2.3.7+dfsg1-1 | vulnerable |
| bookworm | 2.8.0-1.1 | vulnerable | |
| trixie | 2.26.3+dfsg-1 | vulnerable | |
| forky, sid | 2.34.6+dfsg-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| nix | source | (unstable) | (unfixed) |
https://www.openwall.com/lists/oss-security/2026/05/04/33
https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p
https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407