[andrewsomething]

A good non-technical explainer: https://medium.com/@nzdominic/what-is-httpoxy-65a33a8a1f4d#....

[vbernat]

It says that API requests using TLS are not vulnerable. However, many applications won't do the appropriate certificate checking. If HTTP_PROXY is set to a mitm proxy, it can succeed.

[kpcyrd]

The reason why they aren't affected is that you need to set HTTPS_PROXY for https://

[lucb1e]

I could imagine not all applications doing that, though.