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          "text": "This is an Important denial-of-service vulnerability in Micrometer, as a remote unauthenticated attacker can disrupt the availability of affected systems by sending specially crafted gRPC requests. The broad accessibility of gRPC endpoints in typical deployments contributes to the elevated risk, allowing for significant service interruption.",
          "title": "Statement"
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          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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          "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:30a9118cf874444aabdf4dd8f84d44cb503f89d8432a652fbb0ba860d3815c4d_ppc64le",
          "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:7b668bfd2a9a1bd6343fb2e802912eaa72bd7043fa5be6e0a6edc06894c74b63_arm64",
          "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:83e1c37e7e5b268c8b516f9c13d064db4fbdcd68d25a542dec0d237665b06705_amd64",
          "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:c8203365ded9864afe84f579798eefd5f4a79ee6a4e585e47fcb0d8ea3ce959f_s390x",
          "Red Hat Build of Apache Camel 4.18 for Quarkus 3.33",
          "Red Hat Data Grid 8.6.2",
          "Red Hat build of Keycloak 26.6.5",
          "Streams for Apache Kafka 3.2.1"
        ],
        "known_affected": [
          "red_hat_amq_broker_7:micrometer-core",
          "red_hat_amq_clients:micrometer-core",
          "red_hat_build_of_apache_camel_-_hawtio_4:micrometer-core",
          "red_hat_build_of_apache_camel_4_for_quarkus_3:micrometer-core",
          "red_hat_build_of_apicurio_registry_3:micrometer-core",
          "red_hat_build_of_keycloak:rhbk-keycloak-rhel9-operator/rhbk-keycloak-rhel9-operator",
          "red_hat_build_of_keycloak:rhbk-keycloak-rhel9/rhbk-keycloak-rhel9",
          "red_hat_build_of_quarkus:micrometer-core",
          "red_hat_fuse_7:micrometer-core",
          "red_hat_jboss_enterprise_application_platform_expansion_pack:micrometer-core",
          "red_hat_openshift_dev_spaces:devspaces/openvsx-rhel9",
          "red_hat_openshift_dev_spaces:devspaces/pluginregistry-rhel9"
        ],
        "known_not_affected": [
          "red_hat_build_of_apache_camel_for_spring_boot_4:micrometer-core",
          "red_hat_build_of_debezium_3:micrometer-core",
          "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9",
          "red_hat_openshift_dev_spaces:devspaces/server-rhel9",
          "streams_for_apache_kafka_2:micrometer-core"
        ],
        "under_investigation": [
          "red_hat_satellite_6:candlepin",
          "red_hat_satellite_6:candlepin-selinux",
          "red_hat_satellite_6:candlepin-selinux::satellite:el8",
          "red_hat_satellite_6:candlepin.src",
          "red_hat_satellite_6:candlepin.src::satellite:el8",
          "red_hat_satellite_6:candlepin::satellite:el8"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-40983"
        },
        {
          "category": "external",
          "summary": "RHBZ#2486697",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486697"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-40983",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-40983"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-40983",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40983"
        },
        {
          "category": "external",
          "summary": "https://spring.io/security/cve-2026-40983",
          "url": "https://spring.io/security/cve-2026-40983"
        }
      ],
      "release_date": "2026-06-09T03:46:54.131000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-05T16:20:31+00:00",
          "details": "Before applying the update, back up your existing installation,\nincluding all applications, configuration files, databases and\ndatabase settings, and so on.",
          "product_ids": [
            "9Base-RHBK-26.6:rhbk/keycloak-operator-bundle@sha256:06ee2f18c4218c9a095360efa2023b2080aa81e04a08363dbcb1d14de85a5d0d_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:0024d9a0b69b61004a0d35ee25eefc443fe75ce2563b1645ec318caacc0aa23c_s390x",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:2eeef9cec3ee8e3cfdb1c4b7377582b4a5378f852e11872eeb74597ad9ec0615_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:37c7d8c5b4bd9649b3da2c0929075c6bd311361667a7eb25eb3f52927b7eca8e_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:aadf59a1eeb8e64f2f1eea906dd1837fd144d8406b07630a3e2b0c9265c107e7_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:30a9118cf874444aabdf4dd8f84d44cb503f89d8432a652fbb0ba860d3815c4d_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:7b668bfd2a9a1bd6343fb2e802912eaa72bd7043fa5be6e0a6edc06894c74b63_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:83e1c37e7e5b268c8b516f9c13d064db4fbdcd68d25a542dec0d237665b06705_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:c8203365ded9864afe84f579798eefd5f4a79ee6a4e585e47fcb0d8ea3ce959f_s390x"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:50849"
        },
        {
          "category": "vendor_fix",
          "date": "2026-07-08T18:28:22+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
            "Red Hat Build of Apache Camel 4.18 for Quarkus 3.33"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:36839"
        },
        {
          "category": "vendor_fix",
          "date": "2026-07-20T11:56:31+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to: https://access.redhat.com/articles/11258",
          "product_ids": [
            "Red Hat Data Grid 8.6.2"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:41951"
        },
        {
          "category": "vendor_fix",
          "date": "2026-08-05T16:17:28+00:00",
          "details": "Before applying the update, back up your existing installation,\nincluding all applications, configuration files, databases and\ndatabase settings, and so on.",
          "product_ids": [
            "Red Hat build of Keycloak 26.6.5"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:50848"
        },
        {
          "category": "vendor_fix",
          "date": "2026-08-12T19:35:14+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "Streams for Apache Kafka 3.2.1"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:54435"
        },
        {
          "category": "workaround",
          "details": "To mitigate this issue, restrict network access to services exposing Micrometer's gRPC endpoints to trusted clients only. Implement firewall rules to limit inbound connections to the specific ports used by gRPC. If gRPC functionality is not essential for the deployment, consider disabling it entirely to eliminate the attack vector. Any changes to network configurations or service settings may require a service restart to take effect, potentially impacting availability during the transition.",
          "product_ids": [
            "9Base-RHBK-26.6:rhbk/keycloak-operator-bundle@sha256:06ee2f18c4218c9a095360efa2023b2080aa81e04a08363dbcb1d14de85a5d0d_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:0024d9a0b69b61004a0d35ee25eefc443fe75ce2563b1645ec318caacc0aa23c_s390x",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:2eeef9cec3ee8e3cfdb1c4b7377582b4a5378f852e11872eeb74597ad9ec0615_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:37c7d8c5b4bd9649b3da2c0929075c6bd311361667a7eb25eb3f52927b7eca8e_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:aadf59a1eeb8e64f2f1eea906dd1837fd144d8406b07630a3e2b0c9265c107e7_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:30a9118cf874444aabdf4dd8f84d44cb503f89d8432a652fbb0ba860d3815c4d_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:7b668bfd2a9a1bd6343fb2e802912eaa72bd7043fa5be6e0a6edc06894c74b63_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:83e1c37e7e5b268c8b516f9c13d064db4fbdcd68d25a542dec0d237665b06705_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:c8203365ded9864afe84f579798eefd5f4a79ee6a4e585e47fcb0d8ea3ce959f_s390x",
            "Red Hat Build of Apache Camel 4.18 for Quarkus 3.33",
            "Red Hat Data Grid 8.6.2",
            "Red Hat build of Keycloak 26.6.5",
            "Streams for Apache Kafka 3.2.1",
            "red_hat_amq_broker_7:micrometer-core",
            "red_hat_amq_clients:micrometer-core",
            "red_hat_build_of_apache_camel_-_hawtio_4:micrometer-core",
            "red_hat_build_of_apache_camel_4_for_quarkus_3:micrometer-core",
            "red_hat_build_of_apicurio_registry_3:micrometer-core",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9-operator/rhbk-keycloak-rhel9-operator",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9/rhbk-keycloak-rhel9",
            "red_hat_build_of_quarkus:micrometer-core",
            "red_hat_fuse_7:micrometer-core",
            "red_hat_jboss_enterprise_application_platform_expansion_pack:micrometer-core",
            "red_hat_openshift_dev_spaces:devspaces/openvsx-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/pluginregistry-rhel9"
          ]
        },
        {
          "category": "none_available",
          "details": "Fix deferred",
          "product_ids": [
            "red_hat_build_of_apicurio_registry_3:micrometer-core",
            "red_hat_fuse_7:micrometer-core"
          ]
        },
        {
          "category": "none_available",
          "details": "Affected",
          "product_ids": [
            "red_hat_amq_broker_7:micrometer-core",
            "red_hat_amq_clients:micrometer-core",
            "red_hat_build_of_apache_camel_-_hawtio_4:micrometer-core",
            "red_hat_build_of_apache_camel_4_for_quarkus_3:micrometer-core",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9-operator/rhbk-keycloak-rhel9-operator",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9/rhbk-keycloak-rhel9",
            "red_hat_build_of_quarkus:micrometer-core",
            "red_hat_jboss_enterprise_application_platform_expansion_pack:micrometer-core",
            "red_hat_openshift_dev_spaces:devspaces/openvsx-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/pluginregistry-rhel9"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "9Base-RHBK-26.6:rhbk/keycloak-operator-bundle@sha256:06ee2f18c4218c9a095360efa2023b2080aa81e04a08363dbcb1d14de85a5d0d_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:0024d9a0b69b61004a0d35ee25eefc443fe75ce2563b1645ec318caacc0aa23c_s390x",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:2eeef9cec3ee8e3cfdb1c4b7377582b4a5378f852e11872eeb74597ad9ec0615_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:37c7d8c5b4bd9649b3da2c0929075c6bd311361667a7eb25eb3f52927b7eca8e_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:aadf59a1eeb8e64f2f1eea906dd1837fd144d8406b07630a3e2b0c9265c107e7_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:30a9118cf874444aabdf4dd8f84d44cb503f89d8432a652fbb0ba860d3815c4d_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:7b668bfd2a9a1bd6343fb2e802912eaa72bd7043fa5be6e0a6edc06894c74b63_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:83e1c37e7e5b268c8b516f9c13d064db4fbdcd68d25a542dec0d237665b06705_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:c8203365ded9864afe84f579798eefd5f4a79ee6a4e585e47fcb0d8ea3ce959f_s390x",
            "Red Hat Build of Apache Camel 4.18 for Quarkus 3.33",
            "Red Hat Data Grid 8.6.2",
            "Red Hat build of Keycloak 26.6.5",
            "Streams for Apache Kafka 3.2.1",
            "red_hat_amq_broker_7:micrometer-core",
            "red_hat_amq_clients:micrometer-core",
            "red_hat_build_of_apache_camel_-_hawtio_4:micrometer-core",
            "red_hat_build_of_apache_camel_4_for_quarkus_3:micrometer-core",
            "red_hat_build_of_apache_camel_for_spring_boot_4:micrometer-core",
            "red_hat_build_of_apicurio_registry_3:micrometer-core",
            "red_hat_build_of_debezium_3:micrometer-core",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9-operator/rhbk-keycloak-rhel9-operator",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9/rhbk-keycloak-rhel9",
            "red_hat_build_of_quarkus:micrometer-core",
            "red_hat_fuse_7:micrometer-core",
            "red_hat_jboss_enterprise_application_platform_expansion_pack:micrometer-core",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/openvsx-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/pluginregistry-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/server-rhel9",
            "red_hat_satellite_6:candlepin",
            "red_hat_satellite_6:candlepin-selinux",
            "red_hat_satellite_6:candlepin-selinux::satellite:el8",
            "red_hat_satellite_6:candlepin.src",
            "red_hat_satellite_6:candlepin.src::satellite:el8",
            "red_hat_satellite_6:candlepin::satellite:el8",
            "streams_for_apache_kafka_2:micrometer-core"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important",
          "product_ids": [
            "9Base-RHBK-26.6:rhbk/keycloak-operator-bundle@sha256:06ee2f18c4218c9a095360efa2023b2080aa81e04a08363dbcb1d14de85a5d0d_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:0024d9a0b69b61004a0d35ee25eefc443fe75ce2563b1645ec318caacc0aa23c_s390x",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:2eeef9cec3ee8e3cfdb1c4b7377582b4a5378f852e11872eeb74597ad9ec0615_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:37c7d8c5b4bd9649b3da2c0929075c6bd311361667a7eb25eb3f52927b7eca8e_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9-operator@sha256:aadf59a1eeb8e64f2f1eea906dd1837fd144d8406b07630a3e2b0c9265c107e7_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:30a9118cf874444aabdf4dd8f84d44cb503f89d8432a652fbb0ba860d3815c4d_ppc64le",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:7b668bfd2a9a1bd6343fb2e802912eaa72bd7043fa5be6e0a6edc06894c74b63_arm64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:83e1c37e7e5b268c8b516f9c13d064db4fbdcd68d25a542dec0d237665b06705_amd64",
            "9Base-RHBK-26.6:rhbk/keycloak-rhel9@sha256:c8203365ded9864afe84f579798eefd5f4a79ee6a4e585e47fcb0d8ea3ce959f_s390x",
            "Red Hat Build of Apache Camel 4.18 for Quarkus 3.33",
            "Red Hat Data Grid 8.6.2",
            "Red Hat build of Keycloak 26.6.5",
            "Streams for Apache Kafka 3.2.1",
            "red_hat_amq_broker_7:micrometer-core",
            "red_hat_amq_clients:micrometer-core",
            "red_hat_build_of_apache_camel_-_hawtio_4:micrometer-core",
            "red_hat_build_of_apache_camel_4_for_quarkus_3:micrometer-core",
            "red_hat_build_of_apache_camel_for_spring_boot_4:micrometer-core",
            "red_hat_build_of_apicurio_registry_3:micrometer-core",
            "red_hat_build_of_debezium_3:micrometer-core",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9-operator/rhbk-keycloak-rhel9-operator",
            "red_hat_build_of_keycloak:rhbk-keycloak-rhel9/rhbk-keycloak-rhel9",
            "red_hat_build_of_quarkus:micrometer-core",
            "red_hat_fuse_7:micrometer-core",
            "red_hat_jboss_enterprise_application_platform_expansion_pack:micrometer-core",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/openvsx-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/pluginregistry-rhel9",
            "red_hat_openshift_dev_spaces:devspaces/server-rhel9",
            "red_hat_satellite_6:candlepin",
            "red_hat_satellite_6:candlepin-selinux",
            "red_hat_satellite_6:candlepin-selinux::satellite:el8",
            "red_hat_satellite_6:candlepin.src",
            "red_hat_satellite_6:candlepin.src::satellite:el8",
            "red_hat_satellite_6:candlepin::satellite:el8",
            "streams_for_apache_kafka_2:micrometer-core"
          ]
        }
      ],
      "title": "micrometer: micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests"
    }
  ]
}