Is CVE-2025-46416 in the CISA KEV catalog?

No. CVE-2025-46416 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-46416?

CVE-2025-46416 has a CVSS v3 base score of 2.9 (LOW).

What is the EPSS score for CVE-2025-46416?

CVE-2025-46416 has an EPSS score of 0.16% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-46416?

No published fix for CVE-2025-46416 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-46416

LOW

2.9

CVSS v3

NVD

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.

CWE-282

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.16%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Other references6

Related Vulnerabilities

Other CWE-282 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0386	High	7.8	7.9%	KEV	Fix
CVE-2026-23514	High	8.8	1.0%	-	-
CVE-2024-8949	Medium	6.3	0.7%	-	-
CVE-2024-3383	High	7.4	0.6%	-	Fix
CVE-2020-10632	High	8.8	0.5%	-	-
CVE-2022-29187	High	7.8	0.4%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-06-30.