CVE-2026-40456

HIGH EPSS 56.7%
Published Jun 18, 20261w ago · Modified Jun 22, 20261w ago
8.6 CVSS 4.0
High
Find Similar
Published Jun 18, 2026 1w ago
Last Modified Jun 22, 2026 1w ago

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.

CVSS Details

Base Score
8.6
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/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
Attack Vector Adjacent
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
56.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

References 3

  • cert.pl https://cert.pl/posts/2026/06/CVE-2026-40455
  • github.com https://github.com/chilek/lms/commit/9fcb4de19b7d76394898dbc124252b86b07ac0ed
  • lms.org.pl https://lms.org.pl/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.