Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.

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密码学签名的验证不恰当

Authlib 数据伪造问题漏洞

Authlib是Authlib开源的一个构建 OAuth 和 OpenID Connect 服务器的终极 Python 库。 Authlib 1.6.5至1.6.7之前版本存在数据伪造问题漏洞，该漏洞源于传递包含alg: none和空签名的恶意JWT时通过签名验证步骤，可能导致绕过预期失败。

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