{"id":"CVE-2026-101753","kind":"vulnerability","aliases":["CVE-2026-101753"],"related":[],"title":"MySQL Server RAPID component flaw lets privileged users crash the server","description":"Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: RAPID).  Supported versions that are affected are MySQL Server: 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 9.7.0-9.7.3 and  26.7.0-26.7.1. Difficult to exploit 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 4.4 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).","summary":"A flaw in the RAPID component of MySQL Server and MySQL Cluster lets a highly privileged attacker over the network cause a hang or repeatable crash. The impact is denial of service only; the sources report no confidentiality or integrity loss.","severity":"medium","cvss":4.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["database","mysql","mysql-cluster","package","self-hosted"],"not_affected_if":["default-config"],"how_to_check":"- Run `SELECT VERSION();` in MySQL and check whether it reports `9.7.0` through `9.7.3` or `26.7.0` through `26.7.1`\n- For MySQL Cluster, check the `ndb_mgmd --version` output against the same version ranges","fix":"- Upgrade MySQL Server to a release after the affected ranges listed in Oracle's advisory (the fixed version number is unknown from the sources)\n- Upgrade MySQL Cluster to a fixed release (the fixed version number is unknown from the sources)","status":"open","published_at":"2026-10-20T22:18:30+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-25T04:37:00+00:00","updated_at":"2026-10-25T04:37:00+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T04:37:00Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade MySQL Server to a release after the affected ranges listed in Oracle's advisory (the fixed version number is unknown from the sources)\n- Upgrade MySQL Cluster to a fixed release (the fixed version number is unknown from the sources)","reach":"network","title":"MySQL Server RAPID component flaw lets privileged users crash the server","impact":"low","summary":"A flaw in the RAPID component of MySQL Server and MySQL Cluster lets a highly privileged attacker over the network cause a hang or repeatable crash. The impact is denial of service only; the sources report no confidentiality or integrity loss.","category":"package","nicknames":[],"who_cares":["mysql","mysql-cluster","self-hosted","database"],"confidence":0.6,"needs_auth":"yes","worst_case":"Database server hangs or crashes repeatedly, causing denial of service","analyst_note":"Find the fixed MySQL and MySQL Cluster versions in Oracle's Critical Patch Update advisory for this CVE; the NVD entry gives only affected ranges.","how_to_check":"- Run `SELECT VERSION();` in MySQL and check whether it reports `9.7.0` through `9.7.3` or `26.7.0` through `26.7.1`\n- For MySQL Cluster, check the `ndb_mgmd --version` output against the same version ranges","needs_analyst":true,"not_affected_if":["default-config"],"who_is_affected":"Teams running MySQL Server or MySQL Cluster in the affected version ranges, especially where database accounts with high privileges are reachable over the network. The sources describe the attacker as needing high privileges, so instances without such accounts exposed to untrusted users carry less risk.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000672,"input_tokens":3545,"output_tokens":634,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101753':14A,17A '-2026':13A,16A '/av':157C '26.7.0':92C,99C '26.7.1':93C,100C '3.1':147C,156C '4.4':150C '9.7.0':90C,96C '9.7.3':91C,97C 'abil':130C 'access':111C 'affect':86C 'allow':105C 'attack':43B,108C,122C 'avail':151C 'base':148C 'caus':47B,132C 'cluster':22B,38B,74C,95C,120C,145C 'complet':139C 'compon':4A,32B,79C 'compromis':116C 'confidenti':64B 'crash':9A,52B,138C 'cve':12A,15A 'cvss':146C,153C,155C 'databas':18B 'denial':56B 'difficult':101C 'dos':140C 'exploit':103C 'flaw':5A,28B 'frequent':136C 'h':165C 'h/pr':159C 'h/ui':160C 'hang':49B,134C 'high':41B,106C 'host':26B 'impact':54B,152C 'integr':66B 'let':6A,39B 'loss':67B 'multipl':113C 'mysql':1A,19B,21B,34B,37B,71C,73C,78C,88C,94C,117C,119C,142C,144C 'mysql-clust':20B 'n/a':164C 'n/ac':158C 'n/i':163C 'n/s':161C 'network':46B,110C 'oracl':77C 'packag':23B 'privileg':7A,42B,107C 'product':75C 'protocol':114C 'rapid':3A,31B,81C 'repeat':51B,137C 'report':62B 'result':127C 'score':149C 'self':25B 'self-host':24B 'server':2A,11A,35B,72C,80C,89C,118C,143C 'servic':58B 'sourc':61B 'success':121C 'support':82C 'u/c':162C 'unauthor':129C 'user':8A 'vector':154C 'version':83C 'via':112C 'vulner':68C,104C,125C","nicknames":[],"mitigations":[],"who_affected":"Teams running MySQL Server or MySQL Cluster in the affected version ranges, especially where database accounts with high privileges are reachable over the network. The sources describe the attacker as needing high privileges, so instances without such accounts exposed to untrusted users carry less risk.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:30+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/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-2026-101753","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101753","severity":null,"published_at":"2026-10-20T22:18:30+00:00","modified_at":"2026-10-22T18:17:19+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","fetched_at":"2026-10-23T22:28:59+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"}