CVE-2026-44029
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);
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.3
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS probability
- 0.57%
- CWE
- CWE-36
- Published
- 2026-05-05
- Last modified
- 2026-05-05
Affected products
- NixOS Nix
- NixOS Nix
- NixOS Nix
- NixOS Nix
- NixOS Nix
- NixOS Nix
- NixOS Nix
Weakness type
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