PT-2026-121558

CVE-2026-115380

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Published

2026-10-22

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Updated

2026-10-22

Description by

CVSS 3.1
4.0
Medium
MetricsAV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-770: Allocation of Resources Without Limits or Throttling
Related identifiers
CVE-2026-115380
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