GitHub Advisoryadvisory · Go

GHSA-35c4-5qfp-wxj6 Mattermost Server exposes team creator's e-mail address to other members

MEDIUM Published 2022-05-24 Modified 2025-12-05 Official page ↗
Aliases
CVE-2017-18887
Ecosystem
Go
Packages
github.com/mattermost/mattermost-server
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-200
Reviewed
2025-12-05

Affected packages

• Go github.com/mattermost/mattermost-server: < 4.1.2 → fixed in 4.1.2 • Go github.com/mattermost/mattermost-server: >= 4.2.0-rc1, < 4.2.1 → fixed in 4.2.1 • Go github.com/mattermost/mattermost-server: >= 4.3.0-rc1, < 4.3.0 → fixed in 4.3.0

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.

Related

Alias · CVE (1)

  • CVE-2017-18887 An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. vulnerability

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References