What is CVE-2026-110450?

CVE-2026-110450 is a high-severity vulnerability in Nixos Nix, classified under CWE-696. CVSS score: 8.0/10. Published 2026-10-14.

How severe is CVE-2026-110450?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in Nixos Nix

CVE-2026-110450

Nix before 2.35.3 and Lix before 2.95.4 allow privilege escalation via a repair operation because it could destroy and then replace a store path before content verification.

Published 2026-10-14.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Nixos Nix

Weakness classification (CWE)

CWE-696

References

discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547

Frequently asked questions

What is CVE-2026-110450?: CVE-2026-110450 is a high-severity vulnerability in Nixos Nix, classified under CWE-696. CVSS score: 8.0/10. Published 2026-10-14.
How severe is CVE-2026-110450?: High severity. CVSS v3 base score is 8.0 out of 10.