{"action":"Upgrade wasmtime to 46.0.3 (46.x) or 47.0.4 (47.x) or later.","affected":[{"fixed":"46.0.3","introduced":"46.0.0"},{"fixed":"47.0.4","introduced":"47.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-115391"],"ecosystem":"crates.io","epss":0.00172,"exploited":false,"fixed_versions":["46.0.3","47.0.4"],"ghsa_id":"GHSA-x84v-gj2h-g759","id":"tcs_01M5KFC46T2AG6DQTQRDVHGACT","modified_at":"2026-10-24T06:25:41Z","published_at":"2026-08-20T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0268","https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0268.html","https://github.com/bytecodealliance/wasmtime/pull/14181"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0268","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0268"},{"source":"nvd","source_id":"CVE-2026-115391","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115391"}],"summary":"Guest controlled-size host heap allocation through WASIp3 streams"}