{"action":"Upgrade rmcp to 2.0.0 or later.","affected":[{"fixed":"2.0.0","introduced":"0"}],"component":"rmcp","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":["2.0.0"],"ghsa_id":"GHSA-c9xm-49cp-xcr9","id":"tcs_01M5KEWVWANP0RFTES2TSBD55W","modified_at":"2026-10-02T16:30:07.619134114Z","published_at":"2026-10-02T16:12:31Z","references":["https://osv.dev/vulnerability/GHSA-c9xm-49cp-xcr9","https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-c9xm-49cp-xcr9","https://github.com/modelcontextprotocol/rust-sdk/pull/935","https://github.com/modelcontextprotocol/rust-sdk/commit/eb435c6f51864df74926ef115befce55c16b01ba","https://github.com/modelcontextprotocol/rust-sdk","https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v2.0.0"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-c9xm-49cp-xcr9","url":"https://osv.dev/vulnerability/GHSA-c9xm-49cp-xcr9"}],"summary":"rmcp OAuth client fetches server-controlled resource_metadata URLs"}