CVE-2026-44029

MEDIUM

5.3

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);

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/5/2026

Last Modified5/5/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-36

References

https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407(cve@mitre.org)

https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2026/05/04/33(cve@mitre.org)

IOC Correlations

No correlations recorded

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