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I. Basic Information for CVE-2026-27971
Vulnerability Information
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Vulnerability Title
Qwik affected by unauthenticated RCE via server$ Deserialization
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Qwik 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qwik是Qwik Dev开源的一款微型Web框架。 Qwik 1.19.0及之前版本存在代码问题漏洞，该漏洞源于server$ RPC机制存在不安全的反序列化，可能导致任何未经验证的用户通过单个HTTP请求在服务器上执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
QwikDevqwik < 1.19.1 -
II. Public POCs for CVE-2026-27971
#POC DescriptionSource LinkShenlong Link
1Qwik <=1.19.0 contains an insecure deserialization vulnerability in the server$ RPC mechanism, letting unauthenticated attackers execute arbitrary code remotely, exploit requires require() availability at runtime. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-27971.yamlPOC Details
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III. Intelligence Information for CVE-2026-27971
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IV. Related Vulnerabilities
Same product: qwik
Same vendor: QwikDev
Same weakness: CWE-502
V. Comments for CVE-2026-27971

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