CVE-2025-46415 json
A race condition in the Nix, Lix, and Guix package managers allows the removal of content from arbitrary folders.
published 2025-06-27 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19426
- cvss
- 3.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
A race condition in the Nix, Lix, and Guix package managers allows the removal of content from arbitrary folders. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.
Patch / fix
- NixOS Nix 2.24.15, 2.26.4, 2.28.4, 2.29.1
- nix openSUSE Tumbleweed 2.29.1-1.1
opensuse advisories openSUSE-SU-2025:15248-1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.2 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L |
Affected products
- NixOS Nix
Classification
- Weakness
-
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
References
- discourse.nixos.org /t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017
- lix.systems /blog/2025-06-24-lix-cves/
- guix.gnu.org /en/blog/2025/privilege-escalation-vulnerabilities-2025/
- labs.snyk.io
- security.snyk.io /vuln/?search=CVE-2025-46415
- security-tracker.debian.org /tracker/CVE-2025-46415
Sources
- CVE List CVE-2025-46415
- NVD CVE-2025-46415
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.