{"id":"RUSTSEC-2026-0423","aliases":["GHSA-qw58-7h65-crq2"],"title":"Cross-engine type confusion with host-created struct-types-with-supertypes","titleSource":"OSV","descriptionSource":"OSV","description":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-qw58-7h65-crq2\nFor more information see the GitHub-hosted security advisory.","severity":"unknown","score":null,"published":"2026-10-29T12:00:00.000Z","modified":"2026-10-30T10:45:03.975Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"crates.io","name":"wasmtime","sources":[{"name":"OSV · RUSTSEC-2026-0423","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0423"}],"ranges":[{"events":[{"introduced":"47.0.0"},{"fixed":"48.0.8"},{"introduced":"49.0.0"},{"fixed":"49.0.5"},{"introduced":"50.0.0"},{"fixed":"50.0.1"}],"type":"SEMVER"}],"versions":[],"fixed":["48.0.8","49.0.5","50.0.1"]}],"sourceAffected":[],"references":["https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0423.html","https://github.com/bytecodealliance/wasmtime/pull/15078"],"sources":[{"name":"OSV","id":"RUSTSEC-2026-0423","modified":"2026-10-30T10:45:03.975621660Z","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0423"}],"assessments":[],"products":[],"remediation":[],"observedAt":"2026-10-30T10:50:40.372Z","kev":{"status":"unavailable","checkedAt":"2026-10-31T11:20:32.820Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}