How severe is CVE-2025-5459?

CVE-2025-5459 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-5459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5459?

CVE-2025-5459 primarily affects Puppet Puppet Enterprise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-5459?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-5459 have an EU (EUVD) identifier?

Yes. CVE-2025-5459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19173.

When was CVE-2025-5459 published?

CVE-2025-5459 was published on 2025-06-26 and last updated on 2026-09-04.

CVE-2025-5459

CVE-2025-5459 is a high-severity vulnerability in Puppet Puppet Enterprise with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.6
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19173
Weakness: CWE-78
Affected product: Puppet Puppet Enterprise
Published: 2025-06-26
Last modified: 2026-09-04

Description

A user with specific node group editing permissions and a specially crafted class parameter could be used to execute commands as root on the primary host. It affects Puppet Enterprise versions 2018.1.8 through 2023.8.3 and 2025.3 and has been resolved in versions 2023.8.4 and 2025.4.0.

Frequently asked questions

What is CVE-2025-5459?: A user with specific node group editing permissions and a specially crafted class parameter could be used to execute commands as root on the primary host. It affects Puppet Enterprise versions 2018.1.8 through 2023.8.3 and 2025.3 and has been resolved in versions 2023.8.4 and 2025.4.0.
How severe is CVE-2025-5459?: CVE-2025-5459 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-5459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5459?: CVE-2025-5459 primarily affects Puppet Puppet Enterprise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-5459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-5459 have an EU (EUVD) identifier?: Yes. CVE-2025-5459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19173.
When was CVE-2025-5459 published?: CVE-2025-5459 was published on 2025-06-26 and last updated on 2026-09-04.

References

Affected products (2)

cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2025.3.0:*:*:*:*:*:*:*

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