{"schema_version":1,"title":"rmcp (crates.io) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in rmcp (crates.io): 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-64684, was published on 16 September 2026.","url":"https://junglewise.ai/threats/technologies/rmcp","json_url":"https://junglewise.ai/threats/technologies/rmcp.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/rmcp","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":3,"last_90_days":3,"last_365_days":4},"latest":[{"cve":"CVE-2026-64684","cvss":6.8,"epss":0.005,"slug":"cve-2026-64684-model-context-protocol-rust-sdk-custom-header-leak-on-cross","title":"RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.1.0, the rmcp crate's StreamableHttpClientTransport in crates/rmcp/s","severity":"medium","exploited":false,"published_at":"2026-09-16T22:17:04.577+00:00","url":"https://junglewise.ai/threats/cve-2026-64684-model-context-protocol-rust-sdk-custom-header-leak-on-cross"},{"cve":"CVE-2026-63128","cvss":7.5,"epss":0.0063,"slug":"cve-2026-63128-rmcp-streamable-http-server-unauthenticated-session-table-memory","title":"RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.0.0, the rmcp crate's stateful Streamable HTTP server in crates/rmcp","severity":"high","exploited":false,"published_at":"2026-09-16T15:17:39.96+00:00","url":"https://junglewise.ai/threats/cve-2026-63128-rmcp-streamable-http-server-unauthenticated-session-table-memory"},{"cve":"CVE-2026-63127","cvss":8.2,"epss":0.002,"slug":"cve-2026-63127-rmcp-missing-resource-field-validation-in-oauth-metadata","title":"RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.0.0, the rmcp crate's OAuth implementation in crates/rmcp/src/transp","severity":"high","exploited":false,"published_at":"2026-09-16T15:17:39.817+00:00","url":"https://junglewise.ai/threats/cve-2026-63127-rmcp-missing-resource-field-validation-in-oauth-metadata"},{"cve":"CVE-2026-42559","cvss":8.8,"epss":0.0024,"slug":"cve-2026-42559-model-context-protocol-rmcp-dns-rebinding-in-streamable-http","title":"Model Context Protocol RMCP DNS rebinding in Streamable HTTP server","severity":"high","exploited":false,"published_at":"2026-05-14T15:16:46.75+00:00","url":"https://junglewise.ai/threats/cve-2026-42559-model-context-protocol-rmcp-dns-rebinding-in-streamable-http"}],"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":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":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":3},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"surrealdb (crates.io)","slug":"surrealdb","vulnerabilities":118,"url":"https://junglewise.ai/threats/technologies/surrealdb"},{"name":"coreutils (crates.io)","slug":"crates-io-coreutils","vulnerabilities":44,"url":"https://junglewise.ai/threats/technologies/crates-io-coreutils"},{"name":"wasmtime (crates.io)","slug":"wasmtime","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/wasmtime"},{"name":"deno (crates.io)","slug":"deno","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/deno"},{"name":"zebrad (crates.io)","slug":"zebrad","vulnerabilities":31,"url":"https://junglewise.ai/threats/technologies/zebrad"},{"name":"openssl-src (crates.io)","slug":"openssl-src","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/openssl-src"},{"name":"openssl (crates.io)","slug":"crates-io-openssl","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/crates-io-openssl"},{"name":"rustfs (crates.io)","slug":"rustfs","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/rustfs"},{"name":"ckb (crates.io)","slug":"ckb","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/ckb"},{"name":"diesel (crates.io)","slug":"diesel","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/diesel"},{"name":"pyo3 (crates.io)","slug":"pyo3","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/pyo3"},{"name":"russh (crates.io)","slug":"crates-io-russh","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/crates-io-russh"}],"technology":{"hub":true,"name":"rmcp (crates.io)","slug":"rmcp","vendor":{"name":"crates.io","slug":"crates-io","url":"https://junglewise.ai/threats/vendors/crates-io"},"aliases":[],"homepage":"https://crates.io/crates/rmcp","repo_url":"https://github.com/guits/rmcp-rs","description":"The rmcp crate is a Rust implementation of the Remote Management Control Protocol.","url":"https://junglewise.ai/threats/technologies/rmcp"},"most_severe":[{"cve":"CVE-2026-42559","cvss":8.8,"epss":0.0024,"slug":"cve-2026-42559-model-context-protocol-rmcp-dns-rebinding-in-streamable-http","title":"Model Context Protocol RMCP DNS rebinding in Streamable HTTP server","severity":"high","exploited":false,"published_at":"2026-05-14T15:16:46.75+00:00","url":"https://junglewise.ai/threats/cve-2026-42559-model-context-protocol-rmcp-dns-rebinding-in-streamable-http"},{"cve":"CVE-2026-63127","cvss":8.2,"epss":0.002,"slug":"cve-2026-63127-rmcp-missing-resource-field-validation-in-oauth-metadata","title":"RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.0.0, the rmcp crate's OAuth implementation in crates/rmcp/src/transp","severity":"high","exploited":false,"published_at":"2026-09-16T15:17:39.817+00:00","url":"https://junglewise.ai/threats/cve-2026-63127-rmcp-missing-resource-field-validation-in-oauth-metadata"},{"cve":"CVE-2026-63128","cvss":7.5,"epss":0.0063,"slug":"cve-2026-63128-rmcp-streamable-http-server-unauthenticated-session-table-memory","title":"RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.0.0, the rmcp crate's stateful Streamable HTTP server in crates/rmcp","severity":"high","exploited":false,"published_at":"2026-09-16T15:17:39.96+00:00","url":"https://junglewise.ai/threats/cve-2026-63128-rmcp-streamable-http-server-unauthenticated-session-table-memory"},{"cve":"CVE-2026-64684","cvss":6.8,"epss":0.005,"slug":"cve-2026-64684-model-context-protocol-rust-sdk-custom-header-leak-on-cross","title":"RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.1.0, the rmcp crate's StreamableHttpClientTransport in crates/rmcp/s","severity":"medium","exploited":false,"published_at":"2026-09-16T22:17:04.577+00:00","url":"https://junglewise.ai/threats/cve-2026-64684-model-context-protocol-rust-sdk-custom-header-leak-on-cross"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}