SaibaRadar

CVE-2026-119136 — Vulnerability intelligence

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Published:

CVSS
5.9
CISA KEV
Not listed; not proof of no exploitation

Original source text (not a translation)

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.

Sources