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EUVD-2026-274205

fkie_cve-2026-27971

Qwik is a performance focused javascript framework. qwik <=1.19.0 is vulnerable to RCE due to an unsafe deserialization vulnerability in the server$ RPC mechanism that allows any unauthenticated user to execute arbitrary code on the server with a single HTTP request. Affects any deployment where require() is available at runtime. This vulnerability is fixed in 1.19.1.

GHSA-p9x5-jp3h-96mm — Qwik vulnerable to Unauthenticated RCE via server$ Deserialization

Affected: npm: @builder.io/qwik

### Summary qwik <=1.19.0 is vulnerable to RCE due to an unsafe deserialization vulnerability in the `server$` RPC mechanism that allows any unauthenticated user to execute arbitrary code on the server with a single HTTP request. Affects any deployment where `require()` is available at runtime.

### Impact - Remote Code Execution