CVE-2026-63127Published
RMCP: Missing Resource Field Validation in OAuth Protected Resource Metadata Discovery
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-2026-63127 · Microsoft / collected KEV context
cve-program · CVE-2026-63127
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-33f5-2c5q-wgwj
- https://github.com/modelcontextprotocol/rust-sdk/pull/937
- https://github.com/modelcontextprotocol/rust-sdk/commit/c1a8b29ff2cc45e7820b900dae42cbb4958089ec
- https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0
euvd · EUVD-2026-80824
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-33f5-2c5q-wgwj
- https://github.com/modelcontextprotocol/rust-sdk/pull/937
- https://github.com/modelcontextprotocol/rust-sdk/commit/c1a8b29ff2cc45e7820b900dae42cbb4958089ec
- https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0
nvd · CVE-2026-63127
- https://github.com/modelcontextprotocol/rust-sdk/commit/c1a8b29ff2cc45e7820b900dae42cbb4958089ec
- https://github.com/modelcontextprotocol/rust-sdk/pull/937
- https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-33f5-2c5q-wgwj
osv · GHSA-33f5-2c5q-wgwj
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-33f5-2c5q-wgwj
- https://nvd.nist.gov/vuln/detail/CVE-2026-63127
- https://github.com/modelcontextprotocol/rust-sdk/pull/937
- https://github.com/modelcontextprotocol/rust-sdk/commit/c1a8b29ff2cc45e7820b900dae42cbb4958089ec
- 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.