Vulnerability Information
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Vulnerability Title
Caddy's mTLS client authentication silently fails open when CA certificate file is missing or malformed
Vulnerability Description
Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, two swallowed errors in `ClientAuthentication.provision()` cause mTLS client certificate authentication to silently fail open when a CA certificate file is missing, unreadable, or malformed. The server starts without error but accepts any client certificate signed by any system-trusted CA, completely bypassing the intended private CA trust boundary. Any deployment using `trusted_ca_cert_file` or `trusted_ca_certs_pem_files` for mTLS will silently degrade to accepting any system-trusted client certificate if the CA file becomes unavailable. This can happen due to a typo in the path, file rotation, corruption, or permission changes. The server gives no indication that mTLS is misconfigured. Version 2.11.1 fixes the vulnerability.
CVSS Information
N/A
Vulnerability Type
对异常条件的处理不恰当
Vulnerability Title
Caddy 安全漏洞
Vulnerability Description
Caddy是Caddy公司的一款开源、跨平台的HTTP/Web服务器。 Caddy 2.11.1之前版本存在安全漏洞，该漏洞源于ClientAuthentication.provision函数中的两个被忽略的错误导致mTLS客户端证书身份验证静默失败，可能允许绕过预期的私有CA信任边界。
CVSS Information
N/A
Vulnerability Type
N/A