How severe is CVE-2025-59378?

CVE-2025-59378 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-59378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-59378?

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

Does CVE-2025-59378 have an EU (EUVD) identifier?

Yes. CVE-2025-59378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29155.

When was CVE-2025-59378 published?

CVE-2025-59378 was published on 2025-09-15 and last updated on 2026-06-17.

CVE-2025-59378

CVE-2025-59378 is a medium-severity vulnerability with a CVSS 3.x base score of 5.7. 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-669.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29155
Weakness: CWE-669
Published: 2025-09-15
Last modified: 2026-06-17

Description

In guix-daemon in GNU Guix before 1618ca7, a content-addressed-mirrors file can be written to create a setuid program that allows a regular user to gain the privileges of the build user that runs it (even after the build has ended).

Frequently asked questions

What is CVE-2025-59378?: In guix-daemon in GNU Guix before 1618ca7, a content-addressed-mirrors file can be written to create a setuid program that allows a regular user to gain the privileges of the build user that runs it (even after the build has ended).
How severe is CVE-2025-59378?: CVE-2025-59378 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-59378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-59378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59378 have an EU (EUVD) identifier?: Yes. CVE-2025-59378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29155.
When was CVE-2025-59378 published?: CVE-2025-59378 was published on 2025-09-15 and last updated on 2026-06-17.

References

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