Bytecodealliance

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    Products: 5
    Vulnerabilities: 94
    Known Exploited: 0
    6
    Critical Level Threats
    19
    High Level Threats
    51
    Medium Level Threats
    17
    Low Level Threats

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    Vulnerabilities

    CVE-2026-121441

    Wasmtime before 36.0.19, 37.0.0 before 48.0.7, and 49.0.0 before 49.0.4 wasi-http Request Smuggling

    Last Modified: Nov 03, 2026
    Published: Nov 03, 2026

    CVE-2026-121440

    Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 Forwarded Trailers Header Filter Bypass

    Last Modified: Nov 03, 2026
    Published: Nov 03, 2026

    CVE-2026-121439

    Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 HTTP Response Splitting via wasi-http

    Last Modified: Nov 03, 2026
    Published: Nov 03, 2026

    CVE-2026-119142

    Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Host Panic via call_async Drop

    Last Modified: Oct 29, 2026
    Published: Oct 29, 2026

    CVE-2026-119143

    Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Panic via Zero-Length Stream Writes

    Last Modified: Nov 04, 2026
    Published: Oct 29, 2026
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    Bytecodealliance Vulnerabilities & Security CVEs | CVE-DB