{"id":"CVE-2026-21662","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-21662","summary":"Unrestricted upload of file with dangerous type vulnerability in Johnson Controls FM Systems Employee allows Using Malicious Files.\n\nThis issue affects FM Systems Employee: before 2025.3.1.","details":"Unrestricted upload of file with dangerous type vulnerability in Johnson Controls FM Systems Employee allows Using Malicious Files.\n\nThis issue affects FM Systems Employee: before 2025.3.1.","published":"2026-07-31T18:17:13.650","modified":"2026-08-10T19:55:41.870","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-10T19:55:41.870"}}