CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2017-18900
Critical (9.8) in mattermost mattermost server. EPSS 1.3% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server 3.10.3, 3.10.3+incompatible, 4.0.3.
An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows CSV injection via a compliance report.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
- CWE
- CWE-74
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-8q4v-35v6-g8wr | Go | github.com/mattermost/mattermost-server | <3.10.3 | 3.10.3 |
| GHSA-8q4v-35v6-g8wr | Go | github.com/mattermost/mattermost-server | >=4.0.0 <4.0.3 | 4.0.3 |
| GO-2026-4303 | Go | github.com/mattermost/mattermost-server | <3.10.3+incompatible >=4.0.0+incompatible <4.0.3+incompatible | 3.10.3+incompatible, 4.0.3+incompatible |