# Nixos Nix vulnerabilities

Source: https://junglewise.ai/threats/technologies/nix  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/nix.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in Nixos Nix: 0 in the last 7 days and 6 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-110453, was published on 14 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 5
- Last 90 days: 6
- All time: 7 (1 critical, 0 exploited in the wild)

## About Nixos Nix

A package manager and build system that uses a functional approach to package management.

## Latest Nixos Nix vulnerabilities

- [CVE-2026-110453: Nix daemon improper authorization of clients on macOS and FreeBSD](https://junglewise.ai/threats/cve-2026-110453-nix-before-2-35-3-when-unsandboxed-on-macos-or-freebsd) (medium, CVSS 4.3, published 14 Oct 2026)
- [CVE-2026-110452: Nix multi-user installer improper file ownership](https://junglewise.ai/threats/cve-2026-110452-the-multi-user-installer-in-nix-before-2-35-3-sets-the-ownership) (medium, CVSS 4, published 14 Oct 2026)
- [CVE-2026-110451: Nix Seatbelt sandbox escape on macOS](https://junglewise.ai/threats/cve-2026-110451-nix-before-2-35-3-and-lix-before-2-95-4-on-macos-allow-a) (medium, CVSS 4.3, published 14 Oct 2026)
- [CVE-2026-110450: Nix privilege escalation via repair operation](https://junglewise.ai/threats/cve-2026-110450-nix-before-2-35-3-and-lix-before-2-95-4-allow-privilege) (high, CVSS 8, published 14 Oct 2026)
- [CVE-2026-110449: Nix integer overflow in list allocation](https://junglewise.ai/threats/cve-2026-110449-nix-before-2-35-3-and-lix-before-2-95-4-have-an-integer-overflow) (high, CVSS 7.5, published 14 Oct 2026)
- [CVE-2026-64846: Nix package manager time-of-check/time-of-use in symlink handling](https://junglewise.ai/threats/cve-2026-64846-nix-package-manager-time-of-check-time-of-use-in-symlink-handling) (low, CVSS 2.8, published 20 Aug 2026)
- [CVE-2026-39860: Nix symlink following vulnerability in build output registration](https://junglewise.ai/threats/cve-2026-39860-nix-symlink-following-vulnerability-in-build-output-registration) (critical, CVSS 9, published 8 Apr 2026)

## Most severe Nixos Nix vulnerabilities

- [CVE-2026-39860: Nix symlink following vulnerability in build output registration](https://junglewise.ai/threats/cve-2026-39860-nix-symlink-following-vulnerability-in-build-output-registration) (critical, CVSS 9, published 8 Apr 2026)
- [CVE-2026-110450: Nix privilege escalation via repair operation](https://junglewise.ai/threats/cve-2026-110450-nix-before-2-35-3-and-lix-before-2-95-4-allow-privilege) (high, CVSS 8, published 14 Oct 2026)
- [CVE-2026-110449: Nix integer overflow in list allocation](https://junglewise.ai/threats/cve-2026-110449-nix-before-2-35-3-and-lix-before-2-95-4-have-an-integer-overflow) (high, CVSS 7.5, published 14 Oct 2026)
- [CVE-2026-110453: Nix daemon improper authorization of clients on macOS and FreeBSD](https://junglewise.ai/threats/cve-2026-110453-nix-before-2-35-3-when-unsandboxed-on-macos-or-freebsd) (medium, CVSS 4.3, published 14 Oct 2026)
- [CVE-2026-110451: Nix Seatbelt sandbox escape on macOS](https://junglewise.ai/threats/cve-2026-110451-nix-before-2-35-3-and-lix-before-2-95-4-on-macos-allow-a) (medium, CVSS 4.3, published 14 Oct 2026)
- [CVE-2026-110452: Nix multi-user installer improper file ownership](https://junglewise.ai/threats/cve-2026-110452-the-multi-user-installer-in-nix-before-2-35-3-sets-the-ownership) (medium, CVSS 4, published 14 Oct 2026)
- [CVE-2026-64846: Nix package manager time-of-check/time-of-use in symlink handling](https://junglewise.ai/threats/cve-2026-64846-nix-package-manager-time-of-check-time-of-use-in-symlink-handling) (low, CVSS 2.8, published 20 Aug 2026)

## Vulnerabilities per week

5 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 5 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Nixos Nix vulnerabilities", https://junglewise.ai/threats/technologies/nix, 9 November 2026.