A flaw was found in all versions of Keycloak before 10.0.0, where the NodeJS adapter did not support the verify-token-audience. This flaw results in some users having access to sensitive information outside of their permissions.
Exploitability
AV:NAC:LPR:HUI:NScope
S:UImpact
C:HI:NA:N4.9/CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NOther