PT-2026-132367

CVE-2026-119136

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Published

2026-10-29

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Updated

2026-10-29

Description by

CVSS 3.1
4.8
Medium
MetricsAV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
Wasmtime 42.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains insufficient checks in Store when mixing async-style and sync-style WebAssembly calls. Embedders re-entering WebAssembly via sync APIs from host functions called asynchronously can trigger runtime panics or unsound cross-thread movement of !Send host variables.
Exploitability
Fix
Vendors
Affected products
Related identifiers
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