CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NCVE-2017-18901
Medium (5.3) in mattermost mattermost server. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server 3.10.3, 4.0.4.
An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover a team invite ID by requesting a JSON document.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-11-01)
- CWE
- CWE-200
- Published
- Modified
- Record from
- the NVD, synced
Affected
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-c253-8hr4-r8v9 | Go | github.com/mattermost/mattermost-server | <3.10.3 | 3.10.3 |
| GHSA-c253-8hr4-r8v9 | Go | github.com/mattermost/mattermost-server | >=4.0.0 <4.0.4 | 4.0.4 |
| GO-2026-4304 | Go | github.com/mattermost/mattermost-server | all versions | no fix published |