If you read the Github advisory, he did indeed raise the issue with them "last Friday": https://github.com/blog/1068-public-key-security-vulnerability-and-miti

If you read the Github advisory, he did indeed raise the issue with them "last Friday": https://github.com/blog/1068-public-key-security-vulnerability-and-mitigation#comment-17297 https://github.com/blog/1068-public-key-security-vulnerabili...