How severe is CVE-2025-46416?

CVE-2025-46416 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-46416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-46416?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-46416 have an EU (EUVD) identifier?

Yes. CVE-2025-46416 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19410.

When was CVE-2025-46416 published?

CVE-2025-46416 was published on 2025-06-27 and last updated on 2026-06-17.

CVE-2025-46416

CVE-2025-46416 is a low-severity vulnerability with a CVSS 3.x base score of 2.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-282.

Key facts

Severity: Low (CVSS 3.x base score 2.9)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19410
Weakness: CWE-282
Published: 2025-06-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-46416?: 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.
How severe is CVE-2025-46416?: CVE-2025-46416 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-46416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-46416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-46416 have an EU (EUVD) identifier?: Yes. CVE-2025-46416 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19410.
When was CVE-2025-46416 published?: CVE-2025-46416 was published on 2025-06-27 and last updated on 2026-06-17.

References

Other CWE-282 vulnerabilities

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CVE-2025-27254 — High (CVSS 8.0): CWE-282 "Improper Ownership Management" in GE Vernova EnerVista UR Setup allows Authentication Bypass. The…
CVE-2024-39755 — High (CVSS 7.8): A privilege escalation vulnerability exists in the node update functionality of Veertu Anka Build 1.42.0. A specially…
CVE-2024-37999 — High (CVSS 7.8): A vulnerability has been identified in Medicalis Workflow Orchestrator (All versions). The affected application…
CVE-2023-0386 — High (CVSS 7.8): A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities…

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