CVE-2026-101785

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{"bugzilla": {"description": "mysql: MySQL: Unauthorized data modification in JSON component", "id": "2557902", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557902"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "status": "draft"}, "cwe": "CWE-269", "details": ["Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data as well as unauthorized read access to a subset of MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H).", "A flaw was found in the MySQL Server JSON component. An authenticated remote attacker with low privileges can exploit this vulnerability over network protocols to modify, create, or delete accessible database records. Successful exploitation can also result in a Denial of Service (DoS) by crashing or hanging the server, as well as unauthorized data disclosure."], "name": "CVE-2026-101785", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "mysql8.4", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "mariadb10.11", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "mariadb11.8", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-20T21:22:55Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-101785\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-101785\nhttps://www.oracle.com/security-alerts/cpuoct2026.html"], "statement": "This vulnerability is rated as Important severity because an authenticated user with minimal access privileges can remotely trigger widespread data modification and service disruption across the database instance. In standard Red Hat Enterprise Linux environments deploying MySQL, database servers exposed to untrusted network traffic or multi-tenant user access face significant risk of service outages and database corruption. The impact is restrained from Critical because exploitation demands valid database authentication credentials rather than unauthenticated network access.", "threat_severity": "Important"}

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