Vulnerability DatabaseCVE-2026-40456
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CVE-2026-40456
Published:June 18, 2026
Updated:June 28, 2026
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.
Related Resources (3)
https://lms.org.pl/
https://cert.pl/posts/2026/06/CVE-2026-40455
https://github.com/chilek/lms/commit/9fcb4de19b7d76394898dbc124252b86b07ac0ed
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CVSS v4
Base Score:
8.6
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
9
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78
EPSS
Base Score:
0.95