CVE-2026-110450 Privilege escalation in Nix
Attackers can escalate privileges by exploiting a race condition in the repair operation that replaces store paths before verification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110450?
CVE-2026-110450 is a high-severity vulnerability in NixOS Nix, published on 14 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-696
Which versions are affected by CVE-2026-110450?
How do I fix CVE-2026-110450?
No fix has been published for CVE-2026-110450 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-110450 being exploited?
There is no known exploitation of CVE-2026-110450 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-110450, GHSA-phrv-gmvx-w547, UBUNTU-CVE-2026-110450.