CVE-2025-47870: Mattermost Does Not Sanitize the Team Invite ID

August 21, 2025 (updated August 29, 2025)

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fail to sanitize the team invite ID in the POST /api/v4/teams/:teamId/restore endpoint which allows an team admin with no member invite privileges to get the team’s invite id.

References

github.com/advisories/GHSA-qj47-w9f2-qg44
github.com/mattermost/mattermost
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2025-47870
pkg.go.dev/vuln/GO-2025-3905

Code Behaviors & Features

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