{"id":"CVE-2026-101728","title":"mysql: mysql: Denial of Service in Pluggable Auth (CVE-2026-101728)","summary":"A flaw was found in MySQL's Pluggable Auth component. An authenticated remote attacker with low privileges can exploit this vulnerability over the network across multiple protocols. Successful exploitation allows the attacker to cause the …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-303","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","affected":["enterprise_linux 10","enterprise_linux 9"],"published":"2026-10-20","updated":"2026-10-23","sourceUpdated":"2026-10-23T19:21:03+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101728.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101728.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-101728"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2557786"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-101728"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101728"},{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.0041,"epssPercentile":0.3505,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-22T17:43:34.255318Z"},"ingestedAt":"2026-10-20T22:23:33.940Z","slug":"CVE-2026-101728","body":"## Overview\n\nA flaw was found in MySQL's Pluggable Auth component. An authenticated remote attacker with low privileges can exploit this vulnerability over the network across multiple protocols. Successful exploitation allows the attacker to cause the database service to hang or repeatedly crash, resulting in a Denial of Service (DoS).\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101728.json)\n\n**mysql: mysql: Denial of Service in Pluggable Auth** — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-23.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n\nNot affected:\n\n- Red Hat Enterprise Linux 6\n- Red Hat Hardened Images\n\n## Remediation\n\nAffected","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}