CVE-2026-44029

MEDIUM EPSS 43.0%
Published May 5, 20261mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published May 5, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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);

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
43.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-36

References 3

  • discourse.nixos.org https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407
  • github.com https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p
  • openwall.com https://www.openwall.com/lists/oss-security/2026/05/04/33

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.