CVE-2026-21662 in FM Systems Employee

Summary

by MITRE • 07/31/2026

Unrestricted upload of file with dangerous type vulnerability in Johnson Controls FM Systems Employee allows Using Malicious Files.

This issue affects FM Systems Employee: before 2025.3.1.

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• Responsible: Jci
• Reservation: 01/02/2026
• Disclosure: 07/31/2026
• Moderation: accepted
• Entry: VDB-385113
• CPE: ready
• CWE: CWE-434 (confirmed)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-21662
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-21662
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-21662/