CVE-2025-46416 describes a build isolation bypass vulnerability in Nix, Lix, and Guix package managers, allowing unprivileged users to elevate privileges to the build user account. This affects Nix through versions 2.24.15, 2.26.4, 2.28.4, and 2.29.1, Lix through 2.91.2, 2.92.2, and 2.93.1, and Guix before 1.4.0-38.0e79d5b. The vulnerability has a CVSS score of 2.9 (LOW), indicating a local attack vector with high attack complexity and a low impact on integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV listing, though it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, <= 2.24.15CPE match | cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:* | ||
>= 2.25.0, <= 2.26.4CPE match | cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:* | ||
>= 2.27.0, <= 2.28.4CPE match | cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:* | ||
>= 2.29.0, <= 2.29.1CPE match | cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.