Vulnerability · Published May 30, 2025 · Assigned by Mattermost
CVE-2025-1792Improper Access Control in Mattermost Channel Member API
Low 3.1
In plain English
A low-severity incorrect authorization in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.3%top 83.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 10.5.4+incompatible, 10.7.1+incompatible, 9.11.13+incompatible | GO-2025-3730 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2025-3730 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2025-3730 |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20250414110750-c23f44fe8ed0 | GHSA-hc6v-386m-93pq |
| Go | github.com/mattermost/mattermost/server/v8 | 10.7.1 | GHSA-hc6v-386m-93pq |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20250414110750-c23f44fe8ed0 | GO-2025-3730 |
| Go | github.com/mattermost/mattermost/server/v8 | 10.5.4 | GHSA-hc6v-386m-93pq |
| Go | github.com/mattermost/mattermost/server/v8 | 9.11.13 | GHSA-hc6v-386m-93pq |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 10.5.0 – through 10.5.39.11.0 – through 9.11.12 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N