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vuln-nvd/data/2026/CVE-2026-2603.json
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{"affected":[{"affectedData":[{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2.14-1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2-16","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.2","vendor":"Red 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A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider (IdP) to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity Provider is disabled, leading to unauthorized authentication."},{"lang":"es","value":"Se encontró una vulnerabilidad en Keycloak. Un atacante remoto podría eludir los controles de seguridad al enviar una respuesta SAML válida desde un Proveedor de Identidad (IdP) externo al punto final SAML de Keycloak para inicios de sesión de intermediario iniciados por el IdP. Esto permite al atacante completar inicios de sesión de intermediario incluso cuando el Proveedor de Identidad SAML está deshabilitado, lo que lleva a una autenticación no autorizada."}],"id":"CVE-2026-2603","lastModified":"2026-08-18T17:48:33.180","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.2,"source":"secalert@redhat.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.2,"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-2603","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2026-03-18T14:10:05.707703Z","version":"2.0.3"}}]},"published":"2026-03-18T02:16:24.813","references":[{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3925"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3926"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3947"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3948"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2026-2603"},{"source":"secalert@redhat.com","tags":["Exploit","Issue Tracking","Vendor Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2440300"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3925"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3926"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3947"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":["Vendor Advisory"],"url":"https://access.redhat.com/errata/RHSA-2026:3948"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":["Vendor Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2026-2603"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":["Exploit","Issue Tracking","Vendor Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2440300"},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Issue Tracking","Vendor Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2440300"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":["Vendor Advisory"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2603.json"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-306"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-306"}],"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary"}]}