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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qwik:qwik:*:*:*:*:*:node.js:*:*

History

17 Jun 2026, 10:27

Type	Values Removed	Values Added
Summary		(es) Qwik es un framework de javascript centrado en el rendimiento. qwik <=1.19.0 es vulnerable a RCE debido a una vulnerabilidad de deserialización insegura en el mecanismo RPC de server$ que permite a cualquier usuario no autenticado ejecutar código arbitrario en el servidor con una única solicitud HTTP. Afecta a cualquier despliegue donde require() esté disponible en tiempo de ejecución. Esta vulnerabilidad está corregida en 1.19.1.

05 Mar 2026, 17:57

Type	Values Removed	Values Added
CPE		cpe:2.3:a:qwik:qwik::::::node.js::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
References	~~() https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm -~~	() https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm - Vendor Advisory
First Time		Qwik qwik Qwik

03 Mar 2026, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-03 23:15

Updated : 2026-06-17 10:27

NVD link : CVE-2026-27971

Mitre link : CVE-2026-27971

CVE.ORG link : CVE-2026-27971

JSON object : View

Products Affected

qwik

qwik

CWE

CWE-502

Deserialization of Untrusted Data

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