{"action":"Upgrade wasmtime to 48.0.7 or later.","affected":[{"fixed":"48.0.7","introduced":"46.0.0"},{"fixed":"49.0.4","introduced":"49.0.0"}],"component":"wasmtime","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":["48.0.7","49.0.4"],"ghsa_id":"GHSA-9pvw-hwfg-92h5","id":"tcs_01M5JK7NN0HR314PSQG2P0YW56","modified_at":"2026-10-20T11:15:37.066435437Z","published_at":"2026-10-19T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0378","https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0378.html","https://github.com/bytecodealliance/wasmtime/pull/14827"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0378","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0378"}],"summary":"Panic lowering a host-created component model stream into a guest that expects a different payload type"}