{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48773","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-22T19:39:05.357Z","datePublished":"2026-06-19T19:27:12.183Z","dateUpdated":"2026-06-22T17:13:06.227Z"},"containers":{"cna":{"title":"ProxySQL pre-auth heap overflow in MySQL and PostgreSQL first-packet handling","problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/sysown/proxysql/security/advisories/GHSA-58ww-865x-grpr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sysown/proxysql/security/advisories/GHSA-58ww-865x-grpr"},{"name":"https://github.com/sysown/proxysql/releases/tag/v3.0.9","tags":["x_refsource_MISC"],"url":"https://github.com/sysown/proxysql/releases/tag/v3.0.9"}],"affected":[{"vendor":"sysown","product":"proxysql","versions":[{"version":">= 2.0.18, < 3.0.9","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-19T19:27:12.183Z"},"descriptions":[{"lang":"en","value":"ProxySQL is a proxy for MySQL and its forks, as well as PostgreSQL. Versions 2.0.18 through 3.0.8 have a pre-authentication heap memory corruption vulnerability in the MySQL and PostgreSQL protocol first-read paths. A remote unauthenticated client can declare an oversized first packet length, and ProxySQL passes that attacker-controlled length directly to `recv()` while writing into a fixed 32 KB input queue. Version 3.0.9 patches the issue."}],"source":{"advisory":"GHSA-58ww-865x-grpr","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/sysown/proxysql/security/advisories/GHSA-58ww-865x-grpr","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T17:09:26.043878Z","id":"CVE-2026-48773","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-22T17:13:06.227Z"}}]}}