{"id":"EM-20261105-D1O8","url":"https://cyber.eventmonitor.net/incident/EM-20261105-D1O8/mariadb-vulnerability-cve-2026-102523/","type":"cve","title":"MariaDB Vulnerability (CVE-2026-102523)","subtitle":"CVE-2026-102523","subject":"CVE-2026-102523","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T16:17:23.727Z","firstSignal":"2026-11-05T15:31:27.000Z","lastSignal":"2026-11-05T16:17:23.727Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T16:17:23.727Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T16:17:23.727Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T15:31:27.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T16:17:23.727Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-D1O8 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T16:17:23.727Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T16:17:23.727Z","detail":"CVSS 8"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T15:31:27.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T15:31:27.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-102523 (important)","text":"mariadb: MariaDB: Unauthorized table access via unencoded partition names","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-102523.json"},{"at":"2026-11-05T16:17:23.727Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-102523 (CVSS 8)","text":"MariaDB server is a community developed fork of MySQL server. From 10.11.1 until 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, ALTER TABLE ... CONVERT ... PARTITION does not apply filename encoding to user-specified partition names before using them in filesystem path construction. An authenticated database user can use a partition name requiring filename escaping to make the conversion operate on table files the user is not authorized to access, allowing unauthorized table reads or modifications. This issue is fixed in versions 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102523"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T16:17:23.727","score":8,"severity":"HIGH","desc":"MariaDB server is a community developed fork of MySQL server. From 10.11.1 until 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, ALTER TABLE ... CONVERT ... PARTITION does not apply filename encoding to user-specified partition names before using them in filesystem path construction. An…","product":"","seen":1793922090303},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}