A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended.
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:HI:LA:N8.2/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:NOther