CVE-2026-110450 Nix & Lix - Privilege Escalation

Nix < 2.35.3 and Lix < 2.95.4 contain a privilege escalation caused by a repair operation that destroys and replaces a store path before content verification, letting attackers escalate privileges, exploit requires ability to trigger repair operation.

CVSS base score 8.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.15% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-696

Vendor fix

Upgrade Nix to 2.35.3 or later and Lix to 2.95.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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