MEDIUMCVSS v3.1 4.8Vulnerability

CVE-2026-119139

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.

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-2026-119139
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
2026-10-29T16:18:07.373
Last modified
2026-10-29T16:18:07.480

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Reachable Assertion

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-119139 (CVSS v3.1 4.8) — Ninja Signal Threat Intelligence | Ninja Signal