CVE-2026-115380

CVE-2026-115380CVE-2026-115380

Description

Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains a denial of service vulnerability in the wasmtime-wasi WASI preview 0 poll_oneoff adapter, which performs O(n) host work per subscription without consuming or checking fuel. Malicious guest modules can pass many subscriptions to force long-running host computation that ignores configured fuel limits.

Scoring

CVSS 4.0 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Last modified2026-10-22
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.