CVE-2026-21662: medium-severity vulnerability in Johnson Controls FM Systems Employee
FMS Employee Allows Upload of Unrestricted Files
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.5%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
Johnson Controls · FM Systems EmployeeRelated CVEs — Johnson Controls FM Systems Employee
In the same product, most dangerous first.