Mattermost versions <11 fail to properly restrict access to archived channel search API which allows guest users to discover archived public channels via the `/api/v4/teams/{team_id}/channels/search_archived` endpoint
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Mon, 17 Nov 2025 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost mattermost Server
|
|
| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost mattermost Server
|
Sat, 15 Nov 2025 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
Fri, 14 Nov 2025 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 14 Nov 2025 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions <11 fail to properly restrict access to archived channel search API which allows guest users to discover archived public channels via the `/api/v4/teams/{team_id}/channels/search_archived` endpoint | |
| Title | Guest user can discover archived public channels | |
| Weaknesses | CWE-863 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: Mattermost
Published: 2025-11-14T07:58:52.172Z
Updated: 2025-11-14T15:49:13.309Z
Reserved: 2025-10-15T11:35:59.209Z
Link: CVE-2025-11776
Updated: 2025-11-14T15:49:08.960Z
Status : Analyzed
Published: 2025-11-14T08:15:43.753
Modified: 2025-11-17T17:52:51.513
Link: CVE-2025-11776
No data.