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GitHub Advisories20
Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)

## Summary The production media handler shipped by `next-tinacms-s3` (`createMediaHandler` in `packages/next-tinacms-s3/src/handlers.ts`) accepts an attacker-chosen `?key=` query parameter and returns an AWS-signed `PutObject` URL whose `Key` is that value, with no check that the key falls under ...

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