{"schema_version":1,"title":"mcp (RubyGems) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in mcp (RubyGems): 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-67432, was published on 29 July 2026.","url":"https://junglewise.ai/threats/technologies/rubygems-mcp","json_url":"https://junglewise.ai/threats/technologies/rubygems-mcp.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/rubygems-mcp","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":5,"last_365_days":6},"latest":[{"cve":"CVE-2026-67432","cvss":7.5,"epss":0.0078,"slug":"cve-2026-67432-model-context-protocol-ruby-sdk-memory-exhaustion-in","title":"Model Context Protocol Ruby SDK memory exhaustion in StreamableHTTPTransport","severity":"high","exploited":false,"published_at":"2026-07-29T20:17:12.277+00:00","url":"https://junglewise.ai/threats/cve-2026-67432-model-context-protocol-ruby-sdk-memory-exhaustion-in"},{"cve":"CVE-2026-67431","cvss":4,"epss":0.0048,"slug":"cve-2026-67431-modelcontextprotocol-ruby-sdk-session-hijacking-in","title":"modelcontextprotocol ruby-sdk session hijacking in StreamableHTTPTransport","severity":"high","exploited":false,"published_at":"2026-07-29T20:17:12.12+00:00","url":"https://junglewise.ai/threats/cve-2026-67431-modelcontextprotocol-ruby-sdk-session-hijacking-in"},{"cve":"CVE-2026-67430","cvss":5.3,"epss":0.0051,"slug":"cve-2026-67430-model-context-protocol-ruby-sdk-memory-exhaustion-in","title":"Model Context Protocol Ruby SDK memory exhaustion in StreamableHTTPTransport","severity":"medium","exploited":false,"published_at":"2026-07-29T20:17:11.96+00:00","url":"https://junglewise.ai/threats/cve-2026-67430-model-context-protocol-ruby-sdk-memory-exhaustion-in"},{"cve":"CVE-2026-63119","cvss":6.2,"epss":0.0018,"slug":"cve-2026-63119-modelcontextprotocol-ruby-sdk-memory-exhaustion-in-stdio","title":"modelcontextprotocol ruby-sdk memory exhaustion in Stdio transports","severity":"medium","exploited":false,"published_at":"2026-07-29T20:17:10.79+00:00","url":"https://junglewise.ai/threats/cve-2026-63119-modelcontextprotocol-ruby-sdk-memory-exhaustion-in-stdio"},{"cve":"CVE-2026-63118","cvss":4,"epss":0.0026,"slug":"cve-2026-63118-modelcontextprotocol-ruby-sdk-dns-rebinding-in","title":"modelcontextprotocol ruby-sdk DNS rebinding in StreamableHTTPTransport","severity":"medium","exploited":false,"published_at":"2026-07-29T20:17:10.63+00:00","url":"https://junglewise.ai/threats/cve-2026-63118-modelcontextprotocol-ruby-sdk-dns-rebinding-in"},{"cve":"CVE-2026-33946","cvss":4,"epss":0.0054,"slug":"cve-2026-33946-mcp-ruby-sdk-insufficient-session-binding-allows-sse-stream","title":"MCP Ruby SDK: Insufficient Session Binding Allows SSE Stream Hijacking via Session ID Replay","severity":"medium","exploited":false,"published_at":"2026-03-27T18:36:45+00:00","url":"https://junglewise.ai/threats/cve-2026-33946-mcp-ruby-sdk-insufficient-session-binding-allows-sse-stream"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":5},{"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":0},{"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},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"nokogiri (RubyGems)","slug":"nokogiri","vulnerabilities":73,"url":"https://junglewise.ai/threats/technologies/nokogiri"},{"name":"rack (RubyGems)","slug":"rack","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/rack"},{"name":"camaleon_cms (RubyGems)","slug":"camaleon-cms","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/camaleon-cms"},{"name":"rails-html-sanitizer (RubyGems)","slug":"rails-html-sanitizer","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/rails-html-sanitizer"},{"name":"actionpack (RubyGems)","slug":"actionpack","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/actionpack"},{"name":"publify_core (RubyGems)","slug":"publify-core","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/publify-core"},{"name":"rubygems-update (RubyGems)","slug":"rubygems-update","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/rubygems-update"},{"name":"loofah (RubyGems)","slug":"loofah","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/loofah"},{"name":"fat_free_crm (RubyGems)","slug":"fat-free-crm","vulnerabilities":12,"url":"https://junglewise.ai/threats/technologies/fat-free-crm"},{"name":"passenger (RubyGems)","slug":"passenger","vulnerabilities":12,"url":"https://junglewise.ai/threats/technologies/passenger"},{"name":"oj (RubyGems)","slug":"oj","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/oj"},{"name":"openc3 (RubyGems)","slug":"openc3","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/openc3"}],"technology":{"hub":true,"name":"mcp (RubyGems)","slug":"rubygems-mcp","vendor":{"name":"RubyGems","slug":"rubygems","url":"https://junglewise.ai/threats/vendors/rubygems"},"aliases":[],"url":"https://junglewise.ai/threats/technologies/rubygems-mcp"},"most_severe":[{"cve":"CVE-2026-67432","cvss":7.5,"epss":0.0078,"slug":"cve-2026-67432-model-context-protocol-ruby-sdk-memory-exhaustion-in","title":"Model Context Protocol Ruby SDK memory exhaustion in StreamableHTTPTransport","severity":"high","exploited":false,"published_at":"2026-07-29T20:17:12.277+00:00","url":"https://junglewise.ai/threats/cve-2026-67432-model-context-protocol-ruby-sdk-memory-exhaustion-in"},{"cve":"CVE-2026-67431","cvss":4,"epss":0.0048,"slug":"cve-2026-67431-modelcontextprotocol-ruby-sdk-session-hijacking-in","title":"modelcontextprotocol ruby-sdk session hijacking in StreamableHTTPTransport","severity":"high","exploited":false,"published_at":"2026-07-29T20:17:12.12+00:00","url":"https://junglewise.ai/threats/cve-2026-67431-modelcontextprotocol-ruby-sdk-session-hijacking-in"},{"cve":"CVE-2026-63119","cvss":6.2,"epss":0.0018,"slug":"cve-2026-63119-modelcontextprotocol-ruby-sdk-memory-exhaustion-in-stdio","title":"modelcontextprotocol ruby-sdk memory exhaustion in Stdio transports","severity":"medium","exploited":false,"published_at":"2026-07-29T20:17:10.79+00:00","url":"https://junglewise.ai/threats/cve-2026-63119-modelcontextprotocol-ruby-sdk-memory-exhaustion-in-stdio"},{"cve":"CVE-2026-67430","cvss":5.3,"epss":0.0051,"slug":"cve-2026-67430-model-context-protocol-ruby-sdk-memory-exhaustion-in","title":"Model Context Protocol Ruby SDK memory exhaustion in StreamableHTTPTransport","severity":"medium","exploited":false,"published_at":"2026-07-29T20:17:11.96+00:00","url":"https://junglewise.ai/threats/cve-2026-67430-model-context-protocol-ruby-sdk-memory-exhaustion-in"},{"cve":"CVE-2026-33946","cvss":4,"epss":0.0054,"slug":"cve-2026-33946-mcp-ruby-sdk-insufficient-session-binding-allows-sse-stream","title":"MCP Ruby SDK: Insufficient Session Binding Allows SSE Stream Hijacking via Session ID Replay","severity":"medium","exploited":false,"published_at":"2026-03-27T18:36:45+00:00","url":"https://junglewise.ai/threats/cve-2026-33946-mcp-ruby-sdk-insufficient-session-binding-allows-sse-stream"},{"cve":"CVE-2026-63118","cvss":4,"epss":0.0026,"slug":"cve-2026-63118-modelcontextprotocol-ruby-sdk-dns-rebinding-in","title":"modelcontextprotocol ruby-sdk DNS rebinding in StreamableHTTPTransport","severity":"medium","exploited":false,"published_at":"2026-07-29T20:17:10.63+00:00","url":"https://junglewise.ai/threats/cve-2026-63118-modelcontextprotocol-ruby-sdk-dns-rebinding-in"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}