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@qwik.dev/core vulnerabilities

Vulnerabilities published for @qwik.dev/core in the last 30 days: 1. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1

  1. CVE-2026-84994

    High · CVSS 8.7EPSS 0.52%Fix available

    Qwik: Crashing any Qwik Server via Resource thenable

    Qwik is a performance-focused JavaScript framework. Prior to @builder.io/qwik 1.20.0 and @qwik.dev/core 2.0.0-beta.37, default server-side qwik-json deserialization causes ResourceSerializer.$fill$ to pass resource._resolved to Promise.resolve without first rejecting attacker-controlled thenables. An unauthenticated request can provide a plain object whose then property is a QRL for an unregistered symbol, causing an orphaned asynchronous rejection that terminates Node.js under its default unhandled-rejection policy. A single request can crash a server, and repeated requests can keep replicas unavailable. This issue is fixed in @builder.io/qw

    @qwik.dev/coreNode.js
    • Update to 2.0.0-beta37
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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