CVSS 3.1
5.4 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NCVE-2023-1774
Medium (5.4) in mattermost mattermost server. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server 7.1.6, 7.7.2.
When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
- CWE
- CWE-862
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-9hj7-v56g-rhf6 | Go | github.com/mattermost/mattermost-server | >=3.3.0 <7.1.6 | 7.1.6 |
| GHSA-9hj7-v56g-rhf6 | Go | github.com/mattermost/mattermost-server | >=7.7.0 <7.7.2 | 7.7.2 |
| GHSA-9hj7-v56g-rhf6 | Go | github.com/mattermost/mattermost-server | >=7.1.0 <7.1.6 | 7.1.6 |
| GHSA-9hj7-v56g-rhf6 | Go | github.com/mattermost/mattermost-server/v5 | >=5.0.0 <7.1.6 | 7.1.6 |
| GHSA-9hj7-v56g-rhf6 | Go | github.com/mattermost/mattermost-server/v6 | >=6.0.0 <7.1.6 | 7.1.6 |