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{"acknowledgement": "Upstream acknowledges Sourav Kumar (https://github.com/souravs17031999) as the original reporter.", "affected_release": [{"advisory": "RHSA-2023:1049", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6", "package": "keycloak", "product_name": "Red Hat Single Sign-On 7", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2023:1043", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7", "package": "rh-sso7-keycloak-0:18.0.6-1.redhat_00001.1.el7sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 7", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2023:1044", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8", "package": "rh-sso7-keycloak-0:18.0.6-1.redhat_00001.1.el8sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 8", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2023:1045", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9", "package": "rh-sso7-keycloak-0:18.0.6-1.redhat_00001.1.el9sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 9", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2023:1047", "cpe": "cpe:/a:redhat:rhosemc:1.0::el8", "package": "rh-sso-7/sso76-openshift-rhel8:7.6-20", "product_name": "RHEL-8 based Middleware Containers", "release_date": "2023-03-01T00:00:00Z"}], "bugzilla": {"description": "keycloak: Client Registration endpoint does not check token revocation", "id": "2158585", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158585"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-20", "details": ["A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information.", "A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information."], "name": "CVE-2023-0091", "public_date": "2022-10-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-0091\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-0091\nhttps://github.com/keycloak/keycloak/security/advisories/GHSA-v436-q368-hvgg\nhttps://github.com/keycloak/security/issues/27"], "threat_severity": "Low", "upstream_fix": "keycloak 20.0.3"}