OnionShare has an unspecified vulnerability

OnionShare is an open source tool used to securely and anonymously share files, host websites, and chat with friends using the Tor network. Used to securely and anonymously share files, host websites, and chat with friends using the Tor network, OnionShare has a security vulnerability that could be exploited by an attacker to retrieve the full list of participants of a non-public OnionShare node via the --chat feature.