{"action":"Upgrade wasmtime to 48.0.4 (48.x) or 49.0.2 (49.x) or later.","affected":[{"fixed":"48.0.4","introduced":"39.0.0"},{"fixed":"49.0.2","introduced":"49.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-115384"],"ecosystem":"crates.io","epss":0.00312,"exploited":false,"fixed_versions":["48.0.4","49.0.2"],"ghsa_id":"GHSA-32h6-97mm-8q3c","id":"tcs_01M5KFCD06QSBSZP8HG1BMNFG9","modified_at":"2026-10-23T10:55:43.476101245Z","published_at":"2026-10-02T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0327","https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0327.html","https://github.com/bytecodealliance/wasmtime/pull/14471"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0327","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0327"},{"source":"nvd","source_id":"CVE-2026-115384","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115384"}],"summary":"Wasmtime component async-lifted callback result count is unvalidated, causing a native stack buffer overflow"}