CVE-2017-18887
MEDIUM5.3EPSS 0.17%Mattermost Server exposes team creator's e-mail address to other members
Published: 5/24/2022Modified: 12/15/2025
Description
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.
Affected packages (2)
- Go/github.com/mattermost/mattermost-serverfrom 0, < 4.1.2
- Go/github.com/mattermost/mattermost-serverfrom 0, < 4.1.2+incompatible, >= 4.2.0-rc1+incompatible, < 4.2.1+incompatible, >= 4.3.0-rc1+incompatible, < 4.3.0+incompatible
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |