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I. Basic Information for CVE-2025-51846
Vulnerability Information
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Vulnerability Title
CryptPad unbounded WebSocket frame flood
Source: NVD (National Vulnerability Database)
Vulnerability Description
CryptPad 2025.3.1 allows unbounded WebSocket frame flood. A remote, unauthenticated attacker can significantly degrade or deny service for all users of a CryptPad instance. Fixed in 2026.2.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
CryptPadCryptPad 2025.3.1 ~ 2026.2.2 -
II. Public POCs for CVE-2025-51846
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6014 chars
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III. Intelligence Information for CVE-2025-51846
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IV. Related Vulnerabilities
Same product: CryptPad
Same vendor: CryptPad
Same weakness: CWE-770
V. Comments for CVE-2025-51846

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