{"id":"EM-20261104-AGZS","url":"https://cyber.eventmonitor.net/incident/EM-20261104-AGZS/proxysql-vulnerability-cve-2026-102664/","type":"cve","title":"ProxySQL Vulnerability (CVE-2026-102664)","subtitle":"CVE-2026-102664","subject":"CVE-2026-102664","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-04T21:17:41.300Z","firstSignal":"2026-11-04T20:42:25.000Z","lastSignal":"2026-11-04T21:17:41.300Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-04T21:17:41.300Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-04T21:17:41.300Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-04T20:42:25.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-04T21:17:41.300Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261104-AGZS created."}],"stages":[{"name":"Disclosed","at":"2026-11-04T21:17:41.300Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-04T21:17:41.300Z","detail":"CVSS 7.1 · EPSS 0.3%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-04T20:42:25.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-04T20:42:25.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-102664 (important)","text":"proxysql: proxysql: Information disclosure via unverified compressed payload length","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-102664.json"},{"at":"2026-11-04T21:17:41.300Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-102664 (CVSS 7.1)","text":"ProxySQL is a proxy for MySQL and its forks, as well as PostgreSQL. Prior to 3.0.10, 3.1.10, and 4.0.10, decompress_mysql_payload() in lib/mysql_data_stream.cpp accepts a zlib stream when uncompress() returns Z_OK without checking that the actual output length equals the attacker-controlled payload_length. An authenticated MySQL client that negotiates compression can overstate payload_length, causing buffer2array() to parse the uninitialized tail of a heap buffer as MySQL packet headers and forward stale data to the backend. Backend error responses can disclose prior SQL queries, result…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102664"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-04T21:17:41.300","score":7.1,"severity":"HIGH","desc":"ProxySQL is a proxy for MySQL and its forks, as well as PostgreSQL. Prior to 3.0.10, 3.1.10, and 4.0.10, decompress_mysql_payload() in lib/mysql_data_stream.cpp accepts a zlib stream when uncompress() returns Z_OK without checking that the actual output length equals the attacker-controlled…","product":"","seen":1793837141981},"kev":null,"epss":{"epss":0.003,"pct":0.2291,"at":1793967405734},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}