GitHub Advisoryadvisory · Go

GHSA-f72g-52v7-mg3p Mattermost boards plugin fails to restrict download access to files

LOW Published 2025-09-19 Modified 2025-09-26 Official page ↗
Aliases
CVE-2025-9081
Ecosystem
Go
Packages
github.com/mattermost/mattermost-plugin-boards, github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-639
Reviewed
2025-09-22

Affected packages

• Go github.com/mattermost/mattermost-plugin-boards: < 0.0.0-20250716054606-3f3e3becfe1d → fixed in 0.0.0-20250716054606-3f3e3becfe1d • Go github.com/mattermost/mattermost/server/v8: < 8.0.0-20250721095935-11c36f4d1e44 → fixed in 8.0.0-20250721095935-11c36f4d1e44 • Go github.com/mattermost/mattermost-server: >= 10.5.0-rc1, < 10.5.9 → fixed in 10.5.9 • Go github.com/mattermost/mattermost-server: >= 9.11.0-rc1, < 9.11.18 → fixed in 9.11.18

Description

Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration

Related

Alias · CVE (1)

  • CVE-2025-9081 Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate access controls which allows any authenticated user to… vulnerability

Weakness · CWE (1)

  • CWE-639 Authorization Bypass Through User-Controlled Key weakness

References