{"id":"CVE-2026-101619","kind":"vulnerability","aliases":["CVE-2026-101619"],"related":[],"title":"MySQL Server: InnoDB flaw lets a privileged user crash the database","description":"Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB).  Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and  26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","summary":"A flaw in the InnoDB storage engine of MySQL Server and MySQL Cluster can be triggered over the network by a highly privileged account. A successful attack causes a hang or repeatable crash, denying service to the database.","severity":"medium","cvss":4.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["database","mysql","package","self-hosted"],"not_affected_if":["default-config"],"how_to_check":"- Run `mysql --version` and compare against the affected ranges: MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1.","fix":"- Upgrade MySQL Server or MySQL Cluster to a release outside the affected ranges listed in the Oracle advisory (the sources do not name the fixed version).","status":"open","published_at":"2026-10-20T22:18:15+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","triaged_at":"2026-10-25T04:31:35+00:00","updated_at":"2026-10-25T04:31:35+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T04:31:35Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade MySQL Server or MySQL Cluster to a release outside the affected ranges listed in the Oracle advisory (the sources do not name the fixed version).","reach":"network","title":"MySQL Server: InnoDB flaw lets a privileged user crash the database","impact":"low","summary":"A flaw in the InnoDB storage engine of MySQL Server and MySQL Cluster can be triggered over the network by a highly privileged account. A successful attack causes a hang or repeatable crash, denying service to the database.","category":"package","nicknames":[],"who_cares":["mysql","database","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Database server hangs or crashes repeatedly, denying service","analyst_note":"Confirm the fixed version numbers and whether managed MySQL offerings are affected, using the Oracle Critical Patch Update advisory for this CVE.","how_to_check":"- Run `mysql --version` and compare against the affected ranges: MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1.","needs_analyst":true,"not_affected_if":["default-config"],"who_is_affected":"Teams running MySQL Server or MySQL Cluster in the affected version ranges. The attacker must already hold a highly privileged database account, so exposure is lower where database accounts are tightly controlled. Unknown whether managed MySQL services are patched on their own schedule.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000664,"input_tokens":3579,"output_tokens":612,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101619':14A,17A '-2026':13A,16A '/av':155C '26.7.0':87C,98C '26.7.1':88C,99C '3.1':145C,154C '4.9':148C '8.0.0':91C '8.0.49':92C '8.4.0':83C,93C '8.4.12':84C,94C '9.7.0':85C,95C '9.7.3':86C,96C 'abil':128C 'access':109C 'account':47B 'affect':79C 'allow':103C 'attack':50B,106C,120C 'avail':149C 'base':146C 'caus':51B,130C 'cluster':36B,68C,90C,118C,143C 'complet':137C 'compon':73C 'compromis':114C 'crash':9A,56B,136C 'cve':12A,15A 'cvss':144C,151C,153C 'databas':11A,18B,61B 'deni':57B 'dos':138C 'easili':100C 'engin':30B 'exploit':101C 'flaw':4A,25B 'frequent':134C 'h':163C 'h/ui':158C 'hang':53B,132C 'high':45B,104C 'host':23B 'impact':150C 'innodb':3A,28B,74C 'l/pr':157C 'let':5A 'multipl':111C 'mysql':1A,19B,32B,35B,65C,67C,72C,81C,89C,115C,117C,140C,142C 'n/a':162C 'n/ac':156C 'n/i':161C 'n/s':159C 'network':42B,108C 'oracl':71C 'packag':20B 'privileg':7A,46B,105C 'product':69C 'protocol':112C 'repeat':55B,135C 'result':125C 'score':147C 'self':22B 'self-host':21B 'server':2A,33B,66C,82C,116C,141C 'servic':58B 'storag':29B 'success':49B,119C 'support':75C 'trigger':39B 'u/c':160C 'unauthor':127C 'user':8A 'vector':152C 'version':76C 'via':110C 'vulner':62C,102C,123C","nicknames":[],"mitigations":[],"who_affected":"Teams running MySQL Server or MySQL Cluster in the affected version ranges. The attacker must already hold a highly privileged database account, so exposure is lower where database accounts are tightly controlled. Unknown whether managed MySQL services are patched on their own schedule.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:15+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101619","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101619","severity":null,"published_at":"2026-10-20T22:18:15+00:00","modified_at":"2026-10-21T19:16:50+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","fetched_at":"2026-10-23T22:28:58+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}