8

CVE-2026-110450: nixos nix Incorrect Behavior Order

CVSS: 8.0v3.1HighDeferred
AliasesDEBIAN-CVE-2026-110450UBUNTU-CVE-2026-110450
Published 14-10-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-110450 is a high (CVSS 8.0) Incorrect Behavior Order vulnerability in nixos nix. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.8% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-10-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

14-10-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • nixAll versions (No fix recorded)
Nixos1 product
  • nix< 2.28.8 | ≥ 2.29.0, < 2.30.6 | ≥ 2.31.0, < 2.31.6 | ≥ 2.32.0, < 2.34.9 | ≥ 2.35.0, < 2.35.3
Ubuntu1 product
  • nixAll versions (No fix recorded)

3 vendors · 3 products

References

4 links