{"schema_version":1,"title":"websocket-driver (RubyGems) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in websocket-driver (RubyGems): 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-61666, was published on 17 August 2026.","url":"https://junglewise.ai/threats/technologies/websocket-driver","json_url":"https://junglewise.ai/threats/technologies/websocket-driver.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/websocket-driver","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-61666","cvss":4,"epss":0.0045,"slug":"cve-2026-61666-faye-websocket-driver-ruby-denial-of-service-via-malformed-host","title":"websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server() passes a malformed Host head","severity":"high","exploited":false,"published_at":"2026-08-17T17:16:39.917+00:00","url":"https://junglewise.ai/threats/cve-2026-61666-faye-websocket-driver-ruby-denial-of-service-via-malformed-host"},{"cve":"CVE-2026-54465","cvss":4,"epss":0.0049,"slug":"cve-2026-54465-faye-websocket-driver-memory-exhaustion-in-http-header-parser","title":"faye websocket-driver memory exhaustion in HTTP header parser","severity":"medium","exploited":false,"published_at":"2026-07-17T20:17:26.897+00:00","url":"https://junglewise.ai/threats/cve-2026-54465-faye-websocket-driver-memory-exhaustion-in-http-header-parser"},{"cve":"CVE-2026-54464","cvss":4,"epss":0.0045,"slug":"cve-2026-54464-faye-websocket-driver-ruby-resource-limit-bypass-in-permessage","title":"Faye websocket-driver-ruby resource limit bypass in permessage-deflate","severity":"medium","exploited":false,"published_at":"2026-07-17T20:17:26.77+00:00","url":"https://junglewise.ai/threats/cve-2026-54464-faye-websocket-driver-ruby-resource-limit-bypass-in-permessage"},{"cve":"CVE-2026-54463","cvss":4,"epss":0.0049,"slug":"cve-2026-54463-faye-websocket-driver-ruby-memory-exhaustion-in-draft-protocol","title":"faye websocket-driver-ruby memory exhaustion in draft protocol handler","severity":"medium","exploited":false,"published_at":"2026-07-17T20:17:26.633+00:00","url":"https://junglewise.ai/threats/cve-2026-54463-faye-websocket-driver-ruby-memory-exhaustion-in-draft-protocol"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"nokogiri (RubyGems)","slug":"nokogiri","vulnerabilities":27,"url":"https://junglewise.ai/threats/technologies/nokogiri"},{"name":"rack (RubyGems)","slug":"rack","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/rack"},{"name":"oj (RubyGems)","slug":"oj","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/oj"},{"name":"jquery-rails (RubyGems)","slug":"jquery-rails","vulnerabilities":9,"url":"https://junglewise.ai/threats/technologies/jquery-rails"},{"name":"jquery-ui-rails (RubyGems)","slug":"jquery-ui-rails","vulnerabilities":8,"url":"https://junglewise.ai/threats/technologies/jquery-ui-rails"},{"name":"openc3 (RubyGems)","slug":"openc3","vulnerabilities":8,"url":"https://junglewise.ai/threats/technologies/openc3"},{"name":"lodash-rails (RubyGems)","slug":"lodash-rails","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/lodash-rails"},{"name":"net-imap (RubyGems)","slug":"net-imap","vulnerabilities":7,"url":"https://junglewise.ai/threats/technologies/net-imap"},{"name":"loofah (RubyGems)","slug":"loofah","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/loofah"},{"name":"action_text-trix (RubyGems)","slug":"action-text-trix","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/action-text-trix"},{"name":"camaleon_cms (RubyGems)","slug":"camaleon-cms","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/camaleon-cms"},{"name":"fluentd (RubyGems)","slug":"fluentd","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/fluentd"}],"technology":{"hub":true,"name":"websocket-driver (RubyGems)","slug":"websocket-driver","vendor":{"name":"RubyGems","slug":"rubygems","url":"https://junglewise.ai/threats/vendors/rubygems"},"aliases":[],"homepage":"https://rubygems.org/gems/websocket-driver","repo_url":"https://github.com/faye/websocket-driver-ruby","description":"A Ruby library that provides a complete implementation of the WebSocket protocol for servers and clients.","url":"https://junglewise.ai/threats/technologies/websocket-driver"},"most_severe":[{"cve":"CVE-2026-61666","cvss":4,"epss":0.0045,"slug":"cve-2026-61666-faye-websocket-driver-ruby-denial-of-service-via-malformed-host","title":"websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server() passes a malformed Host head","severity":"high","exploited":false,"published_at":"2026-08-17T17:16:39.917+00:00","url":"https://junglewise.ai/threats/cve-2026-61666-faye-websocket-driver-ruby-denial-of-service-via-malformed-host"},{"cve":"CVE-2026-54465","cvss":4,"epss":0.0049,"slug":"cve-2026-54465-faye-websocket-driver-memory-exhaustion-in-http-header-parser","title":"faye websocket-driver memory exhaustion in HTTP header parser","severity":"medium","exploited":false,"published_at":"2026-07-17T20:17:26.897+00:00","url":"https://junglewise.ai/threats/cve-2026-54465-faye-websocket-driver-memory-exhaustion-in-http-header-parser"},{"cve":"CVE-2026-54463","cvss":4,"epss":0.0049,"slug":"cve-2026-54463-faye-websocket-driver-ruby-memory-exhaustion-in-draft-protocol","title":"faye websocket-driver-ruby memory exhaustion in draft protocol handler","severity":"medium","exploited":false,"published_at":"2026-07-17T20:17:26.633+00:00","url":"https://junglewise.ai/threats/cve-2026-54463-faye-websocket-driver-ruby-memory-exhaustion-in-draft-protocol"},{"cve":"CVE-2026-54464","cvss":4,"epss":0.0045,"slug":"cve-2026-54464-faye-websocket-driver-ruby-resource-limit-bypass-in-permessage","title":"Faye websocket-driver-ruby resource limit bypass in permessage-deflate","severity":"medium","exploited":false,"published_at":"2026-07-17T20:17:26.77+00:00","url":"https://junglewise.ai/threats/cve-2026-54464-faye-websocket-driver-ruby-resource-limit-bypass-in-permessage"}],"generated_at":"2026-09-26T17:07:00.185783+00:00"}