{"schema_version":"1.7.3","id":"GHSA-r7r2-m3vr-c8qc","published":"2025-05-15T12:30:27Z","modified":"2025-05-23T16:13:07.059172Z","aliases":["CVE-2025-3446","GO-2025-3693"],"summary":"Mattermost Fails to Validate Team Invite Permissions","details":"Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.","affected":[{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.6.0"},{"fixed":"10.6.2"}]}],"database_specific":{"last_known_affected_version_range":"<= 10.6.1","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-r7r2-m3vr-c8qc/GHSA-r7r2-m3vr-c8qc.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.5.0"},{"fixed":"10.5.3"}]}],"database_specific":{"last_known_affected_version_range":"<= 10.5.2","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-r7r2-m3vr-c8qc/GHSA-r7r2-m3vr-c8qc.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.4.0"},{"fixed":"10.4.5"}]}],"database_specific":{"last_known_affected_version_range":"<= 10.4.4","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-r7r2-m3vr-c8qc/GHSA-r7r2-m3vr-c8qc.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.11.0"},{"fixed":"9.11.12"}]}],"database_specific":{"last_known_affected_version_range":"<= 9.11.11","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-r7r2-m3vr-c8qc/GHSA-r7r2-m3vr-c8qc.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.0.0-20250415054241-76ab3867b785"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-r7r2-m3vr-c8qc/GHSA-r7r2-m3vr-c8qc.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3446"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"cwe_ids":["CWE-863"],"github_reviewed":true,"github_reviewed_at":"2025-05-17T14:02:03Z","nvd_published_at":"2025-05-15T11:15:48Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}