CVE-2026-6204

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Summary

CVECVE-2026-6204
StatePUBLISHED
AssignerPRJBLK
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-13 11:16:06 UTC
Updated2026-04-22 19:47:46 UTC
DescriptionLibreNMS 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.

Risk And Classification

Primary CVSS: v4.0 8.5 HIGH from ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a

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/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

EPSS: 0.000060000 probability, percentile 0.004070000 (date 2026-04-22)

Problem Types: CWE-78 | CWE-78 CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

VersionSourceTypeScoreSeverityVector
4.0ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4aSecondary8.5HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS8.5HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
3.1[email protected]Primary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Librenms Librenms All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Librenms Librenms affected 26.3.0 custom Not specified

References

ReferenceSourceLinkTags
projectblack.io/blog/librenms-authenticated-rce-and-xss ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a projectblack.io Exploit, Third Party Advisory
github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a github.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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