GitHub Advisoryadvisory · Go

GHSA-vvpg-55p7-5h8w Mattermost did not properly restrict channel creation

LOW Published 2024-08-01 Modified 2025-07-25 Official page ↗
Aliases
CVE-2024-39837
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server, github.com/mattermost/mattermost-server/v5, github.com/mattermost/mattermost-server/v6
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-284
Reviewed
2024-08-02

Affected packages

• Go github.com/mattermost/mattermost/server/v8: >= 9.5.0, < 9.5.7 → fixed in 9.5.7 • Go github.com/mattermost/mattermost/server/v8: >= 9.9.0, < 9.9.1 → fixed in 9.9.1 • Go github.com/mattermost/mattermost/server/v8: < 8.0.0-20240626164322-c758cecaf30c → fixed in 8.0.0-20240626164322-c758cecaf30c • Go github.com/mattermost/mattermost-server: >= 9.9.0, < 9.9.1 → fixed in 9.9.1 • Go github.com/mattermost/mattermost-server/v5: < 5.3.2-0.20240626164322-c758cecaf30c → fixed in 5.3.2-0.20240626164322-c758cecaf30c • Go github.com/mattermost/mattermost-server/v6: < 6.0.0-20240626164322-c758cecaf30c → fixed in 6.0.0-20240626164322-c758cecaf30c • Go github.com/mattermost/mattermost-server: >= 9.5.0, < 9.5.7 → fixed in 9.5.7

Description

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled.

Related

Alias · CVE (1)

  • CVE-2024-39837 Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create… vulnerability

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References