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        "cveId": "CVE-2026-115389",
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        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-22T11:27:18.001Z",
        "datePublished": "2026-10-22T19:13:55.163Z",
        "dateUpdated": "2026-10-22T19:13:55.163Z"
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            "datePublic": "2026-09-24T00:00:00.000Z",
            "title": "Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 Denial of Service via Val API",
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                {
                    "lang": "en",
                    "value": "Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 does not adequately account for host allocations when lifting guest values through the dynamically-typed Val API, bypassing the hostcall fuel limit. A malicious WebAssembly guest can return crafted values that allocate at least ~100x more host memory than tracked, causing denial of service."
                }
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                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Allocation of Resources Without Limits or Throttling",
                            "cweId": "CWE-770",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "bytecodealliance",
                    "product": "wasmtime",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:cargo/wasmtime",
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                    "tags": [
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