CVE-2026-115382

MediumCVSS 4.8/10Last modified Oct 23, 2026

Description

Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial-of-service vulnerability in its wasi:http implementation that allows guests to panic the host. Guests can specify a zero between-bytes-timeout request option, which is forwarded directly to a Tokio API that panics, crashing the host embedding.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-1284

Affected software

No affected versions have been published.

Timeline

Published
Oct 22, 2026
Last modified
Oct 23, 2026
NVD status
Deferred

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CVE-2026-115382: Medium severity, CVSS 4.8 | Vulnix