{"id":"CVE-2026-101722","title":"mysql: mysql: unauthorized read access via connection handling (CVE-2026-101722)","summary":"A flaw was found in the MySQL connection handling component. A remote attacker with low privileges and network access can exploit this vulnerability using multiple protocols. Successful exploitation results in unauthorized read access to a…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvssSource":"vendor","cwe":"CWE-488","vendor":"Red Hat","product":"MySQL Server","affected":["mysql_server 9.7.0-9.7.3","mysql_server 26.7.0-26.7.1","mysql_cluster 9.7.0-9.7.3","mysql_cluster 26.7.0-26.7.1"],"published":"2026-10-20","updated":"2026-10-23","sourceUpdated":"2026-10-23T19:21:01+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101722.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101722.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-101722"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2557921"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-101722"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101722"},{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00301,"epssPercentile":0.22653,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-22T17:43:25.241303Z"},"ingestedAt":"2026-10-20T22:23:33.942Z","slug":"CVE-2026-101722","body":"## Overview\n\nA flaw was found in the MySQL connection handling component. A remote attacker with low privileges and network access can exploit this vulnerability using multiple protocols. Successful exploitation results in unauthorized read access to a subset of database data, leading to information disclosure.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101722.json)\n\n**mysql: mysql: unauthorized read access via connection handling** — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-23.\n\nNot affected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 9\n- Red Hat Hardened Images\n\n## Remediation\n\nRefer to the advisory for fix availability.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}