CVE-2026-96453 – Org.keycloak/keycloak-admin-cli: keycloak-admin-cli: kcadm custom truststore accepts arbitrary self-signed certificates

​CVE ID :CVE-2026-96453

Published : Nov. 5, 2026, 6:17 p.m. | 1 hour, 12 minutes ago

Description :A flaw was found in the Keycloak Admin CLI kcadm tool, which is used by administrators to manage Keycloak servers from the command line. When a custom truststore is provided to verify the server identity, the tool incorrectly accepts any self-signed certificate as long as the hostname matches. This allows a network attacker to impersonate the Keycloak server, steal administrative credentials, and perform unauthorized management actions.

Severity: 8.0 | HIGH

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