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{
"dataType": "CVE_RECORD",
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"cveId": "CVE-2026-40456",
"assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
"state": "PUBLISHED",
"assignerShortName": "CERT-PL",
"dateReserved": "2026-04-13T09:36:21.532Z",
"datePublished": "2026-06-18T10:58:51.790Z",
"dateUpdated": "2026-06-18T12:29:40.271Z"
},
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"repo": "https://github.com/chilek/lms",
"vendor": "LMS",
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"lessThan": "9fcb4de",
"status": "affected",
"version": "0",
"versionType": "git"
}
]
}
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"credits": [
{
"lang": "en",
"type": "finder",
"value": "Tymoteusz Dominik"
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"datePublic": "2026-06-18T10:58:00.000Z",
"descriptions": [
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"value": "An OS Command Injection vulnerability exists in LMS (LAN Management System)&nbsp;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.<br>"
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"valueDensity": "NOT_DEFINED",
"vectorString": "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",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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"format": "CVSS",
"scenarios": [
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],
"problemTypes": [
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"descriptions": [
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"cweId": "CWE-78",
"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
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"type": "CWE"
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"dateUpdated": "2026-06-18T10:58:51.790Z"
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"references": [
{
"tags": [
"patch"
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"url": "https://github.com/chilek/lms/commit/9fcb4de19b7d76394898dbc124252b86b07ac0ed"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://cert.pl/posts/2026/06/CVE-2026-40455"
},
{
"tags": [
"product"
],
"url": "https://lms.org.pl/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"tags": [
"x_open-source"
],
"title": "OS Command Injection in LMS",
"x_generator": {
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"adp": [
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"metrics": [
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"other": {
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"content": {
"timestamp": "2026-06-18T12:29:33.310001Z",
"id": "CVE-2026-40456",
"options": [
{
"Exploitation": "none"
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{
"Automatable": "no"
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{
"Technical Impact": "total"
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"role": "CISA Coordinator",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment",
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