CVE-2025-5459Network attack vector

Root command execution via crafted class parameter

Published Jun 26, 2025 · Updated Sep 4, 2026

OS command injection in Puppet Enterprise 2018.1.8 through 2023.8.3 and 2025.3 allows remote authenticated users to execute commands as root. Node-group editing accepts a specially crafted class parameter and passes its contents to command execution on the primary host without adequate neutralization. Exploitation requires specific node-group editing permissions; successful commands run with root privileges on the Linux primary server.

CVSS severity8.8
High
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Puppet Enterprise 2018.1.8 through 2023.8.3 and 2025.3 allows remote authenticated users to execute commands as root. Node-group editing accepts a specially crafted class parameter and passes its contents to command execution on the primary host without adequate neutralization. Exploitation requires specific node-group editing permissions; successful commands run with root privileges on the Linux primary server.

The record

CVE
CVE-2025-5459
Published
Jun 26, 2025
Updated
Sep 4, 2026
Vendor
BlazeMeter
Product
Puppet Enterprise
Classifications
CWE-78, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2018.1.8 <=2023.8.3, 2025.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

BlazeMeter · Puppet Enterpriseversion=2018.1.8 <=2023.8.3, 2025.3

Published CVSS scores

8.6PerforceCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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