CVE-2026-21840

HCL BigFix Platform is affected by a user enumeration vulnerability which might allow an attacker, through careful system control and response time monitoring, to perform some level of user enumeration for the BigFix service...

CVE-2026-21840

CVE-2026-21840 — HCL BigFix Platform is reported to have a user enumeration vulnerability. The available documents indicate that an attacker could perform some level of user enumeration for the BigFix service by observing system behavior/response times. The CVSS 3.1 metrics show a low base score ...