{"id":"GHSA-4q93-v92x-p89f","summary":"Keycloak Vulnerable to Incorrect Authorization","details":"A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect (OIDC) token with the 'organization' scope. This allows organization metadata to be disclosed in tokens, even after an administrator has explicitly disabled the Organizations feature, potentially leading to incorrect authorization decisions by resource servers.","aliases":["CVE-2026-9791"],"modified":"2026-07-01T21:41:29.455907Z","published":"2026-05-28T06:31:09Z","database_specific":{"cwe_ids":["CWE-863"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-07-01T21:16:47Z","nvd_published_at":"2026-05-28T05:16:39Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9791"},{"type":"WEB","url":"https://github.com/keycloak/keycloak/issues/49431"},{"type":"WEB","url":"https://github.com/keycloak/keycloak/pull/49541"},{"type":"WEB","url":"https://github.com/keycloak/keycloak/pull/49678"},{"type":"WEB","url":"https://github.com/keycloak/keycloak/pull/49680"},{"type":"WEB","url":"https://github.com/keycloak/keycloak/commit/0e706e7c83d1e971b48656ad9e674eec6adc225b"},{"type":"WEB","url":"https://github.com/keycloak/keycloak/commit/a77c60f2f3e0793046add44120579871e92553df"},{"type":"WEB","url":"https://github.com/keycloak/keycloak/commit/f19e1f2b4e998116d4e321f50ecf99c0f87b862f"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:25097"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:25098"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:30049"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:30050"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-9791"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482458"},{"type":"PACKAGE","url":"https://github.com/keycloak/keycloak"}],"affected":[{"package":{"name":"org.keycloak:keycloak-server-spi-private","ecosystem":"Maven","purl":"pkg:maven/org.keycloak/keycloak-server-spi-private"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"26.5.0"},{"fixed":"26.6.3"}]}],"versions":["26.5.0","26.5.1","26.5.2","26.5.3","26.5.4","26.5.5","26.5.6","26.5.7","26.6.0","26.6.1","26.6.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-4q93-v92x-p89f/GHSA-4q93-v92x-p89f.json"}},{"package":{"name":"org.keycloak:keycloak-services","ecosystem":"Maven","purl":"pkg:maven/org.keycloak/keycloak-services"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"26.5.0"},{"fixed":"26.6.3"}]}],"versions":["26.5.0","26.5.1","26.5.2","26.5.3","26.5.4","26.5.5","26.5.6","26.5.7","26.6.0","26.6.1","26.6.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-4q93-v92x-p89f/GHSA-4q93-v92x-p89f.json"}},{"package":{"name":"org.keycloak:keycloak-server-spi-private","ecosystem":"Maven","purl":"pkg:maven/org.keycloak/keycloak-server-spi-private"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"26.4.7"}]}],"versions":["10.0.0","10.0.1","10.0.2","11.0.0","11.0.1","11.0.2","11.0.3","12.0.0","12.0.1","12.0.2","12.0.3","12.0.4","13.0.0","13.0.1","14.0.0","15.0.0","15.0.1","15.0.2","15.1.0","15.1.1","16.0.0","16.1.0","16.1.1","17.0.0","17.0.1","18.0.0","18.0.1","18.0.2","19.0.0","19.0.1","19.0.2","19.0.3","2.4.0.CR1","2.4.0.Final","2.5.0.CR1","2.5.0.Final","2.5.1.Final","2.5.4.Final","2.5.5.Final","20.0.0","20.0.1","20.0.2","20.0.3","20.0.4","20.0.5","21.0.0","21.0.1","21.0.2","21.1.0","21.1.1","21.1.2","22.0.0","22.0.1","22.0.2","22.0.3","22.0.4","22.0.5","23.0.0","23.0.1","23.0.2","23.0.3","23.0.4","23.0.5","23.0.6","23.0.7","24.0.0","24.0.1","24.0.2","24.0.3","24.0.4","24.0.5","25.0.0","25.0.1","25.0.2","25.0.3","25.0.4","25.0.5","25.0.6","26.0.0","26.0.1","26.0.2","26.0.3","26.0.4","26.0.5","26.0.6","26.0.7","26.0.8","26.1.0","26.1.1","26.1.2","26.1.3","26.1.4","26.1.5","26.2.0","26.2.1","26.2.2","26.2.3","26.2.4","26.2.5","26.3.0","26.3.1","26.3.2","26.3.3","26.3.4","26.3.5","26.4.0","26.4.1","26.4.2","26.4.3","26.4.4","26.4.5","26.4.6","26.4.7","3.0.0.CR1","3.0.0.Final","3.1.0.CR1","3.1.0.Final","3.2.0.CR1","3.2.0.Final","3.2.1.Final","3.3.0.CR1","3.3.0.CR2","3.3.0.Final","3.4.0.CR1","3.4.0.Final","3.4.1.CR1","3.4.1.Final","3.4.2.Final","3.4.3.Final","4.0.0.Beta1","4.0.0.Beta2","4.0.0.Beta3","4.0.0.Final","4.1.0.Final","4.2.0.Final","4.2.1.Final","4.3.0.Final","4.4.0.Final","4.5.0.Final","4.6.0.Final","4.7.0.Final","4.8.0.Final","4.8.1.Final","4.8.2.Final","4.8.3.Final","5.0.0","6.0.0","6.0.1","7.0.0","7.0.1","8.0.0","8.0.1","8.0.2","9.0.0","9.0.2","9.0.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-4q93-v92x-p89f/GHSA-4q93-v92x-p89f.json"}},{"package":{"name":"org.keycloak:keycloak-services","ecosystem":"Maven","purl":"pkg:maven/org.keycloak/keycloak-services"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"26.4.7"}]}],"versions":["1.0-alpha-1","1.0-alpha-1-12062013","1.0-alpha-2","1.0-alpha-3","1.0-alpha-4","1.0-beta-1","1.0-beta-1-20150521","1.0-beta-1-20150523","1.0-beta-2","1.0-beta-3","1.0-beta-4","1.0-final","1.0-rc-1","1.0-rc-2","1.0.1.Final","1.0.2.Final","1.0.3.Final","1.0.4.Final","1.0.5.Final","1.1.0.Beta1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