{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "category" : "csaf_base",
    "csaf_version" : "2.0",
    "distribution" : {
      "tlp" : {
        "label" : "WHITE",
        "url" : "https://www.first.org/tlp/"
      }
    },
    "lang" : "de-DE",
    "notes" : [ {
      "category" : "legal_disclaimer",
      "text" : "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen."
    }, {
      "category" : "description",
      "text" : "Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Daten zu manipulieren, und um Sicherheitsvorkehrungen zu umgehen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-0977 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0977.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0977 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0977"
    }, {
      "category" : "external",
      "summary" : "Keycloak 26.5.7 release notes vom 2026-04-06",
      "url" : "https://www.keycloak.org/2026/04/keycloak-2657-released"
    }, {
      "category" : "external",
      "summary" : "Keycloak GitHub Issue 45569 vom 2026-04-06",
      "url" : "https://github.com/keycloak/keycloak/issues/45569"
    }, {
      "category" : "external",
      "summary" : "Keycloak GitHub Issue 47718 vom 2026-04-06",
      "url" : "https://github.com/keycloak/keycloak/issues/47718"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-cjm2-j6cm-6p6m vom 2026-04-06",
      "url" : "https://github.com/advisories/GHSA-cjm2-j6cm-6p6m"
    }, {
      "category" : "external",
      "summary" : "Keycloak GitHub Issue 47719 vom 2026-04-06",
      "url" : "https://github.com/keycloak/keycloak/issues/47719"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-hj93-h7pg-fh6v vom 2026-04-06",
      "url" : "https://github.com/advisories/GHSA-hj93-h7pg-fh6v"
    }, {
      "category" : "external",
      "summary" : "Keycloak GitHub Issue 47715 vom 2026-04-06",
      "url" : "https://github.com/keycloak/keycloak/issues/47715"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-rx66-hj7g-28h7 vom 2026-04-06",
      "url" : "https://github.com/advisories/GHSA-rx66-hj7g-28h7"
    }, {
      "category" : "external",
      "summary" : "Keycloak GitHub Issue 47716 vom 2026-04-06",
      "url" : "https://github.com/keycloak/keycloak/issues/47716"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-h4wv-g838-66g3 vom 2026-04-06",
      "url" : "https://github.com/advisories/GHSA-h4wv-g838-66g3"
    }, {
      "category" : "external",
      "summary" : "Keycloak GitHub Issue 47717 vom 2026-04-06",
      "url" : "https://github.com/keycloak/keycloak/issues/47717"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-f2hx-5fx3-hmcv vom 2026-04-06",
      "url" : "https://github.com/advisories/GHSA-f2hx-5fx3-hmcv"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:6477 vom 2026-04-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:6477"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:6475 vom 2026-04-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:6475"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:6476 vom 2026-04-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:6476"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:6478 vom 2026-04-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:6478"
    } ],
    "source_lang" : "en-US",
    "title" : "Keycloak: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-04-06T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-04-07T11:19:36.581+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0977",
      "initial_release_date" : "2026-04-06T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-04-06T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<26.5.7",
          "product" : {
            "name" : "Open Source Keycloak <26.5.7",
            "product_id" : "T052429"
          }
        }, {
          "category" : "product_version",
          "name" : "26.5.7",
          "product" : {
            "name" : "Open Source Keycloak 26.5.7",
            "product_id" : "T052429-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:keycloak:keycloak:26.5.7"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Keycloak"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Red Hat Enterprise Linux",
        "product" : {
          "name" : "Red Hat Enterprise Linux",
          "product_id" : "67646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:redhat:enterprise_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-1002",
    "product_status" : {
      "known_affected" : [ "T052429", "67646" ]
    },
    "release_date" : "2026-04-06T22:00:00.000+00:00",
    "title" : "CVE-2026-1002"
  }, {
    "cve" : "CVE-2026-3872",
    "product_status" : {
      "known_affected" : [ "T052429", "67646" ]
    },
    "release_date" : "2026-04-06T22:00:00.000+00:00",
    "title" : "CVE-2026-3872"
  }, {
    "cve" : "CVE-2026-4282",
    "product_status" : {
      "known_affected" : [ "T052429", "67646" ]
    },
    "release_date" : "2026-04-06T22:00:00.000+00:00",
    "title" : "CVE-2026-4282"
  }, {
    "cve" : "CVE-2026-4325",
    "product_status" : {
      "known_affected" : [ "T052429", "67646" ]
    },
    "release_date" : "2026-04-06T22:00:00.000+00:00",
    "title" : "CVE-2026-4325"
  }, {
    "cve" : "CVE-2026-4634",
    "product_status" : {
      "known_affected" : [ "T052429", "67646" ]
    },
    "release_date" : "2026-04-06T22:00:00.000+00:00",
    "title" : "CVE-2026-4634"
  }, {
    "cve" : "CVE-2026-4636",
    "product_status" : {
      "known_affected" : [ "T052429", "67646" ]
    },
    "release_date" : "2026-04-06T22:00:00.000+00:00",
    "title" : "CVE-2026-4636"
  } ]
}