Vulnerability Information
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Vulnerability Title
Misskey has a login rate limit bypass via spoofed X-Forwarded-For header
Vulnerability Description
Misskey is an open source, federated social media platform. Attackers who use an untrusted reverse proxy or not using a reverse proxy at all can bypass IP rate limiting by adding a forged X-Forwarded-For header. Starting with version 2025.9.1, an option (`trustProxy`) has been added in config file to prevent this from happening. However, it is initialized with an insecure default value before version 2025.12.0-alpha.2, making it still vulnerable if the configuration is not set correctly. This is patched in v2025.12.0-alpha.2 by flipping default value of `trustProxy` to `false`. Users of a trusted reverse proxy who are unsure if they manually overode this value should check their config for optimal behavior. Users are running Misskey with a trusted reverse proxy should not be affected by this vulnerability. From v2025.9.1 to v2025.11.1, workaround is available. Set `trustProxy: false` in config file.
CVSS Information
N/A
Vulnerability Type
过多认证尝试的限制不恰当
Vulnerability Title
Misskey 安全漏洞
Vulnerability Description
Misskey是Misskey开源的一个永久免费的开源联合社交媒体平台。 Misskey 2025.12.0-alpha.2之前版本存在安全漏洞，该漏洞源于trustProxy配置默认值不安全，可能导致绕过IP速率限制。
CVSS Information
N/A
Vulnerability Type
N/A