{"cve":"CVE-2026-40456","nvd":{"published":"2026-06-18T14:17:24.480","modified":"2026-06-22T17:49:19.053","status":"Deferred","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_v4":{"vector":"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","score":8.6},"cvss_v3":null,"cwes":["CWE-78"],"references":["https://cert.pl/posts/2026/06/CVE-2026-40455","https://github.com/chilek/lms/commit/9fcb4de19b7d76394898dbc124252b86b07ac0ed","https://lms.org.pl/"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:39:28.638635428+00:00"},"epss":{"cve":"CVE-2026-40456","score":0.00947,"percentile":0.61175,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}