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CVE-2026-40456 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

An OS Command Injection vulnerability exists in LMS (LAN Management System) before commit 9fcb4de due to an IP address parameter being passed to the "exec()" function without proper validation, allowing attackers to execute arbitrary operating system commands.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:10 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert.pl/posts/2026/06/CVE-2026-40455	[email protected]	AdvisoryBundleRemedy
https://github.com/chilek/lms/commit/9fcb4de19b7d76394898dbc124252b86b07ac0ed	[email protected]	Source CodeVendor
https://lms.org.pl/	[email protected]	Vendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]

Affected Products

Product	Versions
LMS	< 9fcb4de
CPE cpe:2.3:a:lms:lms:::::::: Remediation Upgrade: LMS_27moderate efforthttps://github.com/chilek/lms/releases/tag/LMS_27 Upgrade: LMS_26moderate efforthttps://github.com/chilek/lms/releases/tag/LMS_26 Upgrade: LMS_25moderate efforthttps://github.com/chilek/lms/releases/tag/LMS_25 Upgrade: LMS_24moderate efforthttps://github.com/chilek/lms/releases/tag/LMS_24

Change History

2 change records found show changes

Date	Action	Recorded By
Jun 18, 2026	New CVE Received	[email protected]
Jun 18, 2026	CVE Modified	CISA-ADP