---
cve: "CVE-2026-110450"
severity: "HIGH"
cvss: 8.0
epss: "0.2%"
vendor: "NixOS"
kev: false
exploited: false
published: "2026-10-14 04:03:12"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-11-05T23:41:29+01:00"
---

# CVE-2026-110450

> 8.0 HIGH

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **mitre**
- State: PUBLISHED
- Stand: 2026-10-19 19:03:52
- CNA-CVSS: **8.0** (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Gering | warn |

## Schwachstellen-Klasse

- **CWE-696** — Incorrect Behavior Order
  The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways that may produce resultant weaknesses.

## Angriffsmuster (CAPEC)

- [CAPEC-463 — Padding Oracle Crypto Attack](https://capec.mitre.org/data/definitions/463.html) _(Severity: High)_

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-110450/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_