{"action":"Upgrade org.keycloak:keycloak-services to 26.5.7 or later.","affected":[{"fixed":"26.5.7","introduced":"0"}],"component":"org.keycloak:keycloak-services","cve_ids":["CVE-2026-4634"],"ecosystem":"Maven","epss":0.00859,"exploited":false,"fixed_versions":["26.5.7"],"ghsa_id":"GHSA-h4wv-g838-66g3","id":"tcs_01M5N8ZP27PYVSG4XK0HM7P8XM","modified_at":"2026-09-10T03:50:44.494029205Z","published_at":"2026-04-02T15:31:39Z","references":["https://osv.dev/vulnerability/GHSA-h4wv-g838-66g3","https://nvd.nist.gov/vuln/detail/CVE-2026-4634","https://github.com/keycloak/keycloak/issues/47716","https://github.com/keycloak/keycloak/commit/b455ee4f28abb6f2120aff72fd179589cc5267a0","https://access.redhat.com/errata/RHSA-2026:6475","https://access.redhat.com/errata/RHSA-2026:6476","https://access.redhat.com/errata/RHSA-2026:6477","https://access.redhat.com/errata/RHSA-2026:6478","https://access.redhat.com/security/cve/CVE-2026-4634","https://bugzilla.redhat.com/show_bug.cgi?id=2450250","https://github.com/keycloak/keycloak"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-h4wv-g838-66g3","url":"https://osv.dev/vulnerability/GHSA-h4wv-g838-66g3"}],"summary":"Keycloak: Application-Level DoS via Scope Processing"}