CVE-2025-53620: Qwikdev Qwik

Critical severity, CVSS 9.2. EPSS: 0.4% chance of exploitation in the next 30 days.

@builder.io/qwik-city is the meta-framework for Qwik. When a Qwik Server Action QRL is executed it dynamically load the file containing the symbol. When an invalid qfunc is sent, the server does not handle the thrown error. The error then causes Node JS to exit. This vulnerability is fixed in 1.13.0.

Affected products

• Qwikdev Qwik: before 1.13.0 (fixed in 1.13.0)

Published 2025-07-09. Last modified 2026-06-17.