Vulnerability · Published Jul 9, 2025 · Assigned by GitHub_M
CVE-2025-53620Crashing any Qwik Server
Critical 9.2
In plain English
A critical-severity security flaw in qwik from QwikDev. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.4%top 70.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
@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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @builder.io/qwik-city | 1.13.0 | GHSA-qr9h-j6xg-2j72 |
Affected products (as reported)
Weakness: CWE-248 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
References
- https://github.com/QwikDev/qwik/security/advisories/GHSA-qr9h-j6xg-2j72 x_refsource_CONFIRM