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);
Scores
CVSS v3
5.3
EPSS
0.0024
EPSS Percentile
47.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-36
Status
published
Products (7)
NixOS/Nix
2.24.7 - 2.28.7
NixOS/Nix
2.29.0 - 2.29.4
NixOS/Nix
2.30.0 - 2.30.5
NixOS/Nix
2.31.0 - 2.31.5
NixOS/Nix
2.32.0 - 2.32.8
NixOS/Nix
2.33.0 - 2.33.6
NixOS/Nix
2.34.0 - 2.34.7
Published
May 05, 2026
Tracked Since
May 05, 2026