CVE-2026-115380 in Wasmtime

Riassunto

di MITRE • 23/10/2026

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.

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• Responsabile: VulnCheck
• Prenotare: 22/10/2026
• Divulgazione: 23/10/2026
• Moderazione: accettato
• Voce: VDB-425419
• CPE: 20261023
• CWE: CWE-400 (confermato)
• CVSS: 4.0 (CNA)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-115380
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-115380
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-115380/