{"schemaVersion":3,"id":"CVE-2026-102467","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"In Eclipse Vert.x versions [4.0.0, 4.5.34] or [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the WebSocket implementation does not define a maximum number of bytes allocation when decompressing frames or messages. This can be used to implement DDOS attacks with a zip bomb.\n\n\n\nThe impacted component is io.vertx:vertx-core.","dates":{"published":"2026-10-15T07:19:57.248Z","modified":"2026-10-15T14:37:49.556Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.7,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00263,"percentile":0.16965,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-15T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00263,"percentile":0.16965}],"last30":[{"date":"2026-10-15T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00263,"percentile":0.16965}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling","description":"The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/770.html"}],"affected":[{"vendor":"eclipse foundation","product":"eclipse vert.x","name":"Eclipse Vert.x","label":"eclipse vert.x","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.0.0, ≤ 4.5.34","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.0.0, ≤ 5.0.12","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.1.0, ≤ 5.1.9","noFixRecorded":false,"fixedIn":null},{"text":"5.2.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.0.0, ≤ 4.5.34 | ≥ 5.0.0, ≤ 5.0.12 | ≥ 5.1.0, ≤ 5.1.9 | 5.2.0","eol":null,"hubHref":"/vendor/eclipse_foundation/eclipse_vertx"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-h722-h6c2-6j3c","label":"github.com/eclipse-vertx/vert.x/security/advisories/GHSA-h722-h6c2-6j3c","hostname":"github.com","tags":[]},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/341","label":"gitlab.eclipse.org/security/cve-assignment/-/work_items/341","hostname":"gitlab.eclipse.org","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-15T07:19:57.248Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-15T14:37:49.556Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T13:33:16.837Z","stale":false,"partial":false}}