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Beyond CVE China’s Dual Vulnerability Databases Reveal a Different Disclosure Timeline

Cybersecuritynews •Tushar Subhra Dutta • February 19, 2026

The emergence of a distinct vulnerability disclosure ecosystem within China has introduced a complex layer to the global threat landscape. Unlike the centralized CVE system used internationally, China maintains two separate databases—the CNVD and CNNVD—which operate with different disclosure timelines and priorities. This dual structure has allowed for the quiet emergence of vulnerabilities that remain […]

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China's Dual Vulnerability Databases and Their Impact on Disclosure Timelines China operates two distinct vulnerability databases, CNVD and CNNVD, which have different disclosure timelines and priorities compared to the global CVE system. This dual structure has led to the emergence of vulnerabilities that may not be promptly addressed in the international cybersecurity landscape. The differences in these databases create complexities for global cybersecurity efforts. 4 sources 45

Beyond CVE China’s Dual Vulnerability Databases Reveal a Different Disclosure Timeline

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