A flaw was found in the Keycloak REST API before version 8.0.0, implemented in Keycloak before 7.0.1 where it would permit user access from a realm the user was not configured. An authenticated attacker with knowledge of a user id could use this flaw to access unauthorized information or to carry out further attacks.
{ "nvd_published_at": "2019-10-15T19:15:00Z", "cwe_ids": [ "CWE-863" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2023-08-01T22:43:19Z" }