{"id":"BIT-keycloak-2026-37978","summary":"Keycloak: org.keycloak.services: keycloak: information disclosure via evaluate-scopes admin api","details":"A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID (userId) parameter. This vulnerability allows for cross-role personally identifiable information (PII) leakage, enabling unauthorized visibility into user identities and authorizations across the realm. Exploitation is possible remotely via network access to the Admin API.","aliases":["CVE-2026-37978","GHSA-rrv7-3mqf-hxfr"],"modified":"2026-09-08T08:48:06.813998770Z","published":"2026-08-25T11:42:18.839Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*","cpe:2.3:a:keycloak:keycloak:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:19596"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:19597"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-37978"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2455327"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37978"}],"affected":[{"package":{"name":"keycloak","ecosystem":"Bitnami","purl":"pkg:bitnami/keycloak"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"26.4.12"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/keycloak/BIT-keycloak-2026-37978.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}]}],"schema_version":"1.9.0"}