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I. Basic Information for CVE-2026-6328
Vulnerability Information

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Vulnerability Title
XQUIC Improper STREAM Frame Validation in Initial/Handshake Packets
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper input validation, Improper verification of cryptographic signature vulnerability in XQUIC Project XQUIC xquic on Linux (QUIC protocol implementation, packet processing module, STREAM frame handler modules) allows Protocol Manipulation.This issue affects XQUIC: through 1.8.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
XQUIC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XQUIC是Alibaba开源的一个QUIC和HTTP/3协议的跨平台实现代码库。 XQUIC 1.8.3及之前版本存在安全漏洞,该漏洞源于输入验证和加密签名验证不当,可能导致协议操纵。
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
XQUIC ProjectXQUIC 0 ~ 1.8.3 -
II. Public POCs for CVE-2026-6328
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III. Intelligence Information for CVE-2026-6328
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IV. Related Vulnerabilities
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