CVE-2026-119139
MEDIUM4.8CVSS v3
—CVSS v2
—
EPSS (exploit probability)
CWE-617CWE
Description
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a leftover assertion in component::Func::call that rejects guest exports using the async ABI option. An attacker who supplies a component with an async-lifted export can crash the host process when an embedder invokes that export through Func::call.
CVSS v3 vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
Affected routers (0)
No routers currently mapped to this CVE in our database.