CVE-2023-4105: Missing Authorization

August 11, 2023 (updated August 16, 2023)

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

References

github.com/advisories/GHSA-g3v6-r8p9-wxg9
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2023-4105

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