CVE-2025-9081
LOW3.1EPSS 0.01%Mattermost boards plugin fails to restrict download access to files
Published: 9/19/2025Modified: 9/26/2025
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
Affected packages (8)
- Go/github.com/mattermost/mattermost-plugin-boardsfrom 0, < 0.0.0-20250716054606-3f3e3becfe1d
- Go/github.com/mattermost/mattermost-plugin-boardsfrom 0, < 0.0.0-20250716054606-3f3e3becfe1d
- Go/github.com/mattermost/mattermost-server>= 10.5.0-rc1, < 10.5.9
- Go/github.com/mattermost/mattermost-server>= 9.11.0-rc1+incompatible, < 9.11.18+incompatible, >= 10.5.0-rc1+incompatible, < 10.5.9+incompatible
- Go/github.com/mattermost/mattermost-server/v5from 0
- Go/github.com/mattermost/mattermost-server/v6from 0
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250721095935-11c36f4d1e44
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250721095935-11c36f4d1e44
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-f72g-52v7-mg3p
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-9081
- PATCHhttps://github.com/mattermost/mattermost-plugin-boards
- WEBhttps://github.com/mattermost/mattermost-plugin-boards/commit/3f3e3becfe1d66db0d0f4fd235f04afd6e1ec40b
- WEBhttps://github.com/mattermost/mattermost-plugin-boards/pull/114
- WEBhttps://mattermost.com/security-updates
- WEBhttps://pkg.go.dev/vuln/GO-2025-3978