{"action":"Upgrade wasmtime to 24.0.6 or later.","affected":[{"fixed":"24.0.6","introduced":"0.0.0-0"},{"fixed":"36.0.6","introduced":"25.0.0"},{"fixed":"40.0.4","introduced":"37.0.0"},{"fixed":"41.0.4","introduced":"41.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-27572"],"ecosystem":"crates.io","epss":0.00519,"exploited":false,"fixed_versions":["24.0.6","36.0.6","40.0.4","41.0.4"],"ghsa_id":"GHSA-243v-98vx-264h","id":"tcs_01M5KFASP2TBHD8RJPG2QMEEKX","modified_at":"2026-10-12T18:00:13.556608408Z","published_at":"2026-02-24T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0021","https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0021.html","https://github.com/bytecodealliance/wasmtime/commit/301dc7162cca51def19131019af1187f45901c0a"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0021","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0021"},{"source":"nvd","source_id":"CVE-2026-27572","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27572"}],"summary":"Panic adding excessive fields to a `wasi:http/types.fields` instance"}