CVE-2026-44029

State: Published
Severity: 5.3 Medium
Published: May 5, 2026
Updated: May 5, 2026
Reserved: May 5, 2026

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	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	mitre

Weaknesses

CWE-36 Absolute Path Traversal

Affected Products

Product	Versions
NixNixOS	2.24.7 to before 2.28.7Affected 2.29.0 to before 2.29.4Affected 2.30.0 to before 2.30.5Affected 2.31.0 to before 2.31.5Affected 2.32.0 to before 2.32.8Affected 2.33.0 to before 2.33.6Affected 2.34.0 to before 2.34.7Affected

References

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