GHSA-p9x5-jp3h-96mmCritical

Qwik vulnerable to Unauthenticated RCE via server$ Deserialization

Published
March 2, 2026
Last Modified
March 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-27971 →

📋 Description

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

🎯 Affected products1

  • npm/@builder.io/qwik:<= 1.19.0

🔗 References (4)