CVE-2023-41881

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CVE-2023-41881

Summary: Deleting a collaboration should also delete linked resources

Details: vantage6 is privacy preserving federated learning infrastructure. When a collaboration is deleted, the linked resources (such as tasks from that collaboration) should be deleted. This is partly to manage data properly, but also to prevent a potential (but unlikely) side-effect that affects versions prior to 4.0.0, where if a collaboration with id=10 is deleted, and subsequently a new collaboration is created with id=10, the authenticated users in that collaboration could potentially see results of the deleted collaboration in some cases. Version 4.0.0 contains a patch for this issue. There are no known workarounds.

References: https://github.com/vantage6/vantage6/blob/0682c4288f43fee5bcc72dc448cdd99bd7e57f76/docs/release_notes.rst#400, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41881.json, https://github.com/vantage6/vantage6/security/advisories/GHSA-rf54-7qrr-96j6, https://nvd.nist.gov/vuln/detail/CVE-2023-41881, https://github.com/vantage6/vantage6/pull/748