CVE-2026-44029CWE-36

An issue was discovered in Nix before 2.34.7

Medium · published May 5, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
54.6
In the wild
Unconfirmed
What it is

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);

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00754 · 54.6th percentile
Weakness
CWE-36 · Absolute Path Traversal
Published
2026-05-05T00:51Z
EPSS history
Timeline
  • 05 MAY 00:51Z
    An issue was discovered in Nix before 2.34.7
    cvelistv5