Headline
GHSA-f72g-52v7-mg3p: Mattermost boards plugin fails to restrict download access to files
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
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-9081
Mattermost boards plugin fails to restrict download access to files
Low severity GitHub Reviewed Published Sep 19, 2025 to the GitHub Advisory Database • Updated Sep 22, 2025
Package
gomod github.com/mattermost/mattermost-plugin-boards (Go)
Affected versions
< 0.0.0-20250716054606-3f3e3becfe1d
Patched versions
0.0.0-20250716054606-3f3e3becfe1d
gomod github.com/mattermost/mattermost-server (Go)
>= 10.5.0-rc1, < 10.5.9
>= 9.11.0-rc1, < 9.11.18
gomod github.com/mattermost/mattermost/server/v8 (Go)
< 8.0.0-20250721095935-11c36f4d1e44
8.0.0-20250721095935-11c36f4d1e44
Description
Published to the GitHub Advisory Database
Sep 19, 2025
Last updated
Sep 22, 2025