CVE-2024-1888: Mattermost fails to check the "invite_guest" permission

February 29, 2024

Mattermost fails to check the “invite_guest” permission when inviting guests of other teams to a team, allowing a member with permissions to add other members but not to add guests to add a guest to a team as long as the guest was already a guest in another team of the server

References

github.com/advisories/GHSA-pfw6-5rx3-xh3c
github.com/mattermost/mattermost
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2024-1888

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