{"id":"CVE-2024-34029","aliases":["EUVD-2024-34599"],"status":"published","title":"AD/LDAP Group Members Leak","description":"Mattermost versions 9.5.x \u003c= 9.5.3, 9.7.x \u003c= 9.7.1 and 8.1.x \u003c= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/\u003cgroup-id\u003e/channels/\u003cchannel-id\u003e/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00296,"percentile":0.22519,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2024-05-26T13:27:27Z","modified":"2026-10-28T02:31:13Z","products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34029.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34029","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-34029","title":"AD/LDAP Group Members Leak","description":"Mattermost versions 9.5.x \u003c= 9.5.3, 9.7.x \u003c= 9.7.1 and 8.1.x \u003c= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/\u003cgroup-id\u003e/channels/\u003cchannel-id\u003e/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.","status":"published","published":"2024-05-26T13:27:27.082Z","modified":"2024-08-02T02:42:59.966Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:34:23.516065Z"}],"euvd":[{"id":"EUVD-2024-34599","description":"Mattermost versions 9.5.x \u003c= 9.5.3, 9.7.x \u003c= 9.7.1 and 8.1.x \u003c= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/\u003cgroup-id\u003e/channels/\u003cchannel-id\u003e/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.","status":"published","published":"2024-05-26T13:27:27Z","modified":"2024-08-02T02:42:59Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:21.347751Z"}],"nvd":[{"id":"CVE-2024-34029","description":"Mattermost versions 9.5.x \u003c= 9.5.3, 9.7.x \u003c= 9.7.1 and 8.1.x \u003c= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/\u003cgroup-id\u003e/channels/\u003cchannel-id\u003e/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.","status":"published","published":"2024-05-26T14:15:09.367Z","modified":"2026-06-17T07:32:46.773Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:10:02.520903Z"}],"osv":[{"id":"CVE-2024-34029","title":"AD/LDAP Group Members Leak","description":"Mattermost versions 9.5.x \u003c= 9.5.3, 9.7.x \u003c= 9.7.1 and 8.1.x \u003c= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/\u003cgroup-id\u003e/channels/\u003cchannel-id\u003e/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.","status":"published","published":"2024-05-26T13:27:27.082Z","modified":"2026-10-28T02:31:13.474235157Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:40.391953Z"}]}}