{"action":"Upgrade wasmtime to 46.0.2 or later.","affected":[{"fixed":"46.0.2","introduced":"46.0.0"},{"fixed":"47.0.3","introduced":"47.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-104855"],"ecosystem":"crates.io","epss":0.00276,"exploited":false,"fixed_versions":["46.0.2","47.0.3"],"ghsa_id":"GHSA-2hw9-mc66-jc2q","id":"tcs_01M5KERDG2SSP6Z87AJ8GC7FTA","modified_at":"2026-10-02T23:10:45.600982665Z","published_at":"2026-10-02T22:45:29Z","references":["https://osv.dev/vulnerability/GHSA-2hw9-mc66-jc2q","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2hw9-mc66-jc2q","https://nvd.nist.gov/vuln/detail/CVE-2026-104855","https://github.com/bytecodealliance/wasmtime/pull/14041","https://github.com/bytecodealliance/wasmtime/pull/14043","https://github.com/bytecodealliance/wasmtime/pull/14045","https://github.com/bytecodealliance/wasmtime/commit/3ebfbe5af4927c157d6fcaca42b8dbb6d17b73fb","https://github.com/bytecodealliance/wasmtime/commit/99b0bc39d447317a4102c056081c83a9a84a46e0","https://github.com/bytecodealliance/wasmtime/commit/a3eb27af01ba5a30320a90ea1405059cdfedd353","https://github.com/bytecodealliance/wasmtime","https://github.com/bytecodealliance/wasmtime/releases/tag/v46.0.2","https://github.com/bytecodealliance/wasmtime/releases/tag/v47.0.3","https://rustsec.org/advisories/RUSTSEC-2026-0223.html"],"severity":{"label":"low","score":2},"sources":[{"source":"osv","source_id":"GHSA-2hw9-mc66-jc2q","url":"https://osv.dev/vulnerability/GHSA-2hw9-mc66-jc2q"},{"source":"nvd","source_id":"CVE-2026-104855","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104855"}],"summary":"Wasmtime: Preemption and traps during bulk operations enable breaking internal VM state"}