{"id":"RUSTSEC-2026-0423","aliases":["GHSA-qw58-7h65-crq2"],"title":"Cross-engine type confusion with host-created struct-types-with-supertypes","summary":"Cross-engine type confusion with host-created struct-types-with-supertypes","severity":"none","vendor":"wasmtime","product":"wasmtime","ecosystem":"rust","affected":["wasmtime >= 50.0.0, < 50.0.1"],"patched":["wasmtime 50.0.1"],"published":"2026-10-29","updated":"2026-10-30","sourceUpdated":"2026-10-30T10:45:03.975621660Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0423","references":[{"url":"https://crates.io/crates/wasmtime"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0423.html"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/15078"}],"tags":["osv","rust"],"ingestedAt":"2026-10-30T19:05:36.533Z","slug":"RUSTSEC-2026-0423","body":"## Overview\n\nThis 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.\n\n## Affected packages\n\n- `wasmtime >= 50.0.0, < 50.0.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `wasmtime 50.0.1`","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}