{"action":"Upgrade github.com/mattermost/mattermost-server to 9.11.18 or later.","affected":[{"fixed":"10.5.9","introduced":"10.5.0-rc1"},{"fixed":"9.11.18","introduced":"9.11.0-rc1"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2025-9081"],"ecosystem":"Go","epss":0.00275,"exploited":false,"fixed_versions":["10.5.9","9.11.18"],"ghsa_id":"GHSA-f72g-52v7-mg3p","id":"tcs_01M5KF8J4PBXY5FNKD1E1W12TX","modified_at":"2025-09-26T16:23:18Z","published_at":"2025-09-19T21:31:21Z","references":["https://osv.dev/vulnerability/GHSA-f72g-52v7-mg3p","https://nvd.nist.gov/vuln/detail/CVE-2025-9081","https://github.com/mattermost/mattermost-plugin-boards/pull/114","https://github.com/mattermost/mattermost-plugin-boards/commit/3f3e3becfe1d66db0d0f4fd235f04afd6e1ec40b","https://github.com/mattermost/mattermost-plugin-boards","https://mattermost.com/security-updates","https://pkg.go.dev/vuln/GO-2025-3978"],"severity":{"label":"low","score":3.1},"sources":[{"source":"osv","source_id":"GHSA-f72g-52v7-mg3p#Go/github.com/mattermost/mattermost-server","url":"https://osv.dev/vulnerability/GHSA-f72g-52v7-mg3p"}],"summary":"Mattermost boards plugin fails to restrict download access to files"}