2.9

CVE-2025-46416: nixos nix Improper Ownership Management

CVSS: 2.9v3.1LowDeferred
AliasesUBUNTU-CVE-2025-46416DEBIAN-CVE-2025-46416
Published 27-06-2025Last modified 27-06-2025
Open JSON

Vulnerability summary

CVE-2025-46416 is a low (CVSS 2.9) Improper Ownership Management vulnerability in nixos nix. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.7% of scored vulnerabilities.

Overall risk
12/100
0100
Low · default modelHow is this calculated?
CVSS score
2.9/10
010
Low · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-06-2025
    PublishedVulnerability first disclosed.
  2. 27-06-2025
    Last modifiedVulnerability information updated.

Description

The Nix, Lix, and Guix package managers allow a bypass of build isolation in which a user can elevate their privileges to the build user account (e.g., nixbld or guixbuild). This affects Nix through 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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.01 pp

From 0.17% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.18%

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
  • guixAll versions (No fix recorded)
Nixos1 product
  • nix≤ 2.24.15 | ≥ 2.25.0, ≤ 2.26.4 | ≥ 2.27.0, ≤ 2.28.4 | ≥ 2.29.0, ≤ 2.29.1
Ubuntu1 product
  • guixAll versions (No fix recorded)

3 vendors · 3 products

References

15 links
Show all 15 references