{"id":"CVE-2026-101773","title":"mysql: MySQL: Denial of Service via the Group Replication plugin (CVE-2026-101773)","summary":"A flaw was found in the MySQL Group Replication plugin. An unauthenticated attacker located on the adjacent network can exploit this vulnerability to compromise the database service. Successful exploitation primarily allows an attacker to …","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","cvssSource":"vendor","cwe":"CWE-400","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","affected":["enterprise_linux 10","enterprise_linux 9"],"published":"2026-10-20","updated":"2026-10-22","sourceUpdated":"2026-10-22T22:09:50+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101773.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101773.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-101773"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2557345"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-101773"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101773"},{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00217,"epssPercentile":0.12118,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-22T17:26:34.688190Z"},"ingestedAt":"2026-10-20T22:23:33.926Z","slug":"CVE-2026-101773","body":"## Overview\n\nA flaw was found in the MySQL Group Replication plugin. An unauthenticated attacker located on the adjacent network can exploit this vulnerability to compromise the database service. Successful exploitation primarily allows an attacker to cause a Denial of Service (DoS) by hanging or repeatedly crashing the server, as well as perform unauthorized modifications to accessible data.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · 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 2026-10-22 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101773.json)\n\n**mysql: MySQL: Denial of Service via the Group Replication plugin** — rated Important by Red Hat. Released 2026-10-20, updated 2026-10-22.\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":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}