The links below are to articles that look at a recently discovered way to jailbreak Kindles called KindleBreak.

For more visit:
– https://blog.the-ebook-reader.com/2021/03/26/kindlebreak-released-new-jailbreak-method-for-kindles/
– https://goodereader.com/blog/kindle/do-not-use-the-new-amazon-kindlebreak-jailbreaking-system