CVE-2026-63128Published
RMCP: Unauthenticated permanent session-table leak in rmcp Streamable HTTP server transport leads to remote denial-of-service
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-63128 · Microsoft / collected KEV context
cve-program · CVE-2026-63128
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-9pj6-vhgr-3mwh
- https://github.com/modelcontextprotocol/rust-sdk/pull/934
- https://github.com/modelcontextprotocol/rust-sdk/commit/dfa7fd6f9309deab60bea230b041be9a3fcda846
- https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0
euvd · EUVD-2026-80823
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-9pj6-vhgr-3mwh
- https://github.com/modelcontextprotocol/rust-sdk/pull/934
- https://github.com/modelcontextprotocol/rust-sdk/commit/dfa7fd6f9309deab60bea230b041be9a3fcda846
- https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0
nvd · CVE-2026-63128
- https://github.com/modelcontextprotocol/rust-sdk/commit/dfa7fd6f9309deab60bea230b041be9a3fcda846
- https://github.com/modelcontextprotocol/rust-sdk/pull/934
- https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-9pj6-vhgr-3mwh
osv · GHSA-9pj6-vhgr-3mwh
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-9pj6-vhgr-3mwh
- https://nvd.nist.gov/vuln/detail/CVE-2026-63128
- https://github.com/modelcontextprotocol/rust-sdk/pull/934
- https://github.com/modelcontextprotocol/rust-sdk/commit/dfa7fd6f9309deab60bea230b041be9a3fcda846
- https://github.com/modelcontextprotocol/rust-sdk
- https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.