{"action":"Upgrade wasmtime to 36.0.7 or later.","affected":[{"fixed":"36.0.7","introduced":"0.0.0-0"},{"fixed":"42.0.2","introduced":"37.0.0"},{"fixed":"43.0.1","introduced":"43.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-34987"],"ecosystem":"crates.io","epss":0.00278,"exploited":false,"fixed_versions":["36.0.7","42.0.2","43.0.1"],"ghsa_id":"GHSA-xx5w-cvp6-jv83","id":"tcs_01M5KFB7PP88EG24TW32FMFVSF","modified_at":"2026-10-12T18:00:08.330233116Z","published_at":"2026-04-09T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0095","https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0095.html","https://github.com/bytecodealliance/wasmtime/pull/13014"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0095","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0095"},{"source":"nvd","source_id":"CVE-2026-34987","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34987"}],"summary":"Wasmtime with Winch compiler backend may allow a sandbox-escaping memory access"}