CVE-2025-53620

Crashing any Qwik Server

Published Jul 9, 2025 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-20869 Qwik's unhandled exception vulnerabilty can cause server crashes from malicious requests
Github GHSA Github GHSA GHSA-qr9h-j6xg-2j72 Qwik's unhandled exception vulnerabilty can cause server crashes from malicious requests
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00042}

epss

{'score': 0.00055}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Crashing any Qwik Server
Weaknesses CWE-248
References
Metrics cvssV4_0

{'score': 9.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 9, 2025, 7:14 PM
Reserved
Jul 7, 2025, 2:20 PM
Status
Deferred
Published
Jul 9, 2025, 7:15 PM
Modified
Jun 17, 2026, 9:38 AM