CVE-2026-44029 PUBLISHED

Assigner: mitre
Reserved: 05.05.2026 Published: 05.05.2026 Updated: 05.05.2026

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);

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	NixOS
Product	Nix
Versions	Default: unaffected affected from 2.24.7 to 2.28.7 (excl.) affected from 2.29.0 to 2.29.4 (excl.) affected from 2.30.0 to 2.30.5 (excl.) affected from 2.31.0 to 2.31.5 (excl.) affected from 2.32.0 to 2.32.8 (excl.) affected from 2.33.0 to 2.33.6 (excl.) affected from 2.34.0 to 2.34.7 (excl.)

References

Problem Types

CWE-36 Absolute Path Traversal CWE