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{"affected":[{"affectedData":[{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.10-1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-12","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-12","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4.10","vendor":"Red Hat"}],"source":"secalert@redhat.com"}],"cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in Keycloak. The Keycloak Authorization header parser is overly permissive regarding the formatting of the \"Bearer\" authentication scheme. It accepts non-standard characters (such as tabs) as separators and tolerates case variations that deviate from RFC 6750 specifications."},{"lang":"es","value":"Se encontró una vulnerabilidad en Keycloak. El analizador del encabezado de autorización de Keycloak es excesivamente permisivo con respecto al formato del esquema de autenticación ’Bearer’. Acepta caracteres no estándar (como tabulaciones) como separadores y tolera variaciones de mayúsculas y minúsculas que se desvían de las especificaciones de la RFC 6750."}],"id":"CVE-2026-0707","lastModified":"2026-10-26T21:10:00.170","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":1.4,"source":"secalert@redhat.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-0707","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-01-08T15:54:59.827077Z","version":"2.0.3"}}]},"published":"2026-01-08T04:15:56.520","references":[{"source":"secalert@redhat.com","url":"https://access.redhat.com/errata/RHSA-2026:3947"},{"source":"secalert@redhat.com","url":"https://access.redhat.com/errata/RHSA-2026:3948"},{"source":"secalert@redhat.com","url":"https://access.redhat.com/security/cve/CVE-2026-0707"},{"source":"secalert@redhat.com","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2427768"},{"source":"secalert@redhat.com","url":"https://github.com/keycloak/keycloak/issues/49433"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Deferred","weaknesses":[{"description":[{"lang":"en","value":"CWE-551"}],"source":"secalert@redhat.com","type":"Secondary"}]}