CVE-2026-6204 - Vulnerability Details - OpenCVE

LibreNMS versions before 26.3.0 are affected by an authenticated remote code execution vulnerability by abusing the Binary Locations config and the Netcommand feature. Successful exploitation requires administrative privileges. Exploitation could result in compromise of the underlying web server.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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References

Link	Providers
https://github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh
https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#binary-path-rce-poc

History

Mon, 13 Apr 2026 11:15:00 +0000

Type	Values Removed	Values Added
Description		LibreNMS versions before 26.3.0 are affected by an authenticated remote code execution vulnerability by abusing the Binary Locations config and the Netcommand feature. Successful exploitation requires administrative privileges. Exploitation could result in compromise of the underlying web server.
Weaknesses		CWE-78
References		https://github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#binary-path-rce-poc
Metrics		cvssV4_0 `{'score': 8.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: PRJBLK

Published: 2026-04-13T10:56:16.850Z

Updated: 2026-04-13T10:56:16.850Z

Reserved: 2026-04-13T10:42:58.812Z

Link: CVE-2026-6204

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-04-13T11:16:06.243

Modified: 2026-04-13T11:16:06.243

Link: CVE-2026-6204

Redhat

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OpenCVE Enrichment

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