Nope, other than the use of the ActivityPub standard to communicate information, Mastodon and Lemmy are entirely separate pieces of software. Whether Lemmy, Kbin and similar also have vulnerabilities that would allow for a similar exploit are dependent on how they've been designed.
Nope, other than the use of the ActivityPub standard to communicate information, Mastodon and Lemmy are entirely separate pieces of software. Whether Lemmy, Kbin and similar also have vulnerabilities that would allow for a similar exploit are dependent on how they've been designed.