iTerm2 3.5.6 through 3.5.10 before 3.5.11 sometimes allows remote attackers to obtain sensitive information from terminal commands by reading the /tmp/framer.txt file. This can occur for certain it2ssh and SSH Integration configurations, during remote logins to hosts that have a common Python installation.
https://news.ycombinator.com/item?id=42579472
https://iterm2.com/downloads/stable/iTerm2-3_5_11.changelog
https://gitlab.com/gnachman/iterm2/-/wikis/SSH-Integration-Information-Leak