MEDIUMCVSS v3.1 4.8Vulnerability

CVE-2026-119136

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-29T19:54:00.882258+00:00
Cvss score
4.8
Cvss severity
MEDIUM
Retrieved at
2026-10-29T19:54:43+00:00
Score
4.8
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-119136
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
First seen by Signal
2026-10-29T19:54:43+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
Published at
2026-10-29T16:18:06.913
Last modified
2026-10-29T16:18:07.033

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]CWE-1265

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CVE-2026-119136 (CVSS v3.1 4.8) — Ninja Signal Threat Intelligence | Ninja Signal