{"id":"CVE-2024-1888","summary":"Existing server guests invited to the team by members without \"invite_guest\" permission","details":"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\n\n","aliases":["GHSA-pfw6-5rx3-xh3c","GO-2024-2593"],"modified":"2026-09-18T03:45:17.912746534Z","published":"2024-02-29T08:08:08.272Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/1xxx/CVE-2024-1888.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"last_affected":"9.4.1"},{"last_affected":"9.3.0"},{"last_affected":"9.2.4"},{"last_affected":"8.1.8"}]}],"cna_assigner":"Mattermost","cwe_ids":["CWE-284"]},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/1xxx/CVE-2024-1888.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-1888"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0"},{"fixed":"4c83724516242843802cc75840b08ead6afbd37b"},{"introduced":"b47be1c0f5787562ddf430dd5c5b8b3c35748b06"},{"fixed":"cf3252f5bf7a8ecd29403c873b05c70c3b20e920"},{"introduced":"664e8ae3fcec2bd395459b51fbb8d1fbdcad8976"},{"fixed":"d60d75b3f5755ac1be0d5ca2cce75e775d1a4a95"},{"introduced":"baa88a2450d49dfea42990861283b5ed9d469edf"},{"fixed":"f344590398e35c6373957fb3b4f761b9acfd82b2"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"8.1.9"},{"introduced":"9.2.0"},{"fixed":"9.2.5"},{"introduced":"9.3.0"},{"fixed":"9.3.1"},{"introduced":"9.4.0"},{"fixed":"9.4.2"}]}}],"versions":["v9.3.1-rc2","v9.2.5-rc2","v8.1.9-rc2","v8.1.9-rc1","v9.2.5-rc1","v9.3.1-rc1","@mattermost/types@9.3.0","@mattermost/client@9.3.0","v9.4.2-rc1","v8.1.8","v9.2.4","v9.4.1","v9.4.0-rc4","v9.4.0","@mattermost/types@9.4.0","@mattermost/client@9.4.0","v8.1.8-rc2","v9.2.4-rc1","v8.1.8-rc1","v8.1.7-rc3","v8.1.7","v8.1.7-rc2","v9.2.3-rc1","v9.2.3","v8.1.7-rc1","v8.1.6-rc1","v8.1.6","v9.2.2","v8.1.5-rc2","v8.1.5","v8.1.5-rc1","v9.2.1","v9.2.0-rc2","v9.2.0","@mattermost/types@9.2.0","@mattermost/client@9.2.0","v8.1.4-rc2","v8.1.4","v8.1.4-rc1","v8.1.3-rc2","v8.1.3","v8.1.3-rc1","v8.1.2-rc2","v8.1.2","v8.1.2-rc1","v8.1.1-rc2","v8.1.1","@mattermost/types@8.1.1","@mattermost/client@8.1.1","v8.1.1-rc1","v8.1.0-rc2","v8.1.0","cloud-2023-07-26-1","server/public/v0.0.5","cloud-2022-11-24-1","cloud-2022-11-11-1","cloud-2022-10-06-1","cloud-2022-09-08-1","cloud-2022-08-10-1","cloud-2022-07-20-1","v5.2.0-rc2","v5.2.0-rc1","v5.1.0-rc1","v5.0.0-rc1","v4.10.0-rc1","v4.9.0-rc1","v4.8.0-rc1","v4.7.0-rc1","v4.6.0-rc2","v4.6.0-rc1","v4.5.0-rc1","v4.4.0-rc1","v4.3.0-rc1","v4.2.0-rc1","v0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-1888.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}