{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2025-12756"],"ecosystem":"Go","epss":0.00182,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-p6gj-jc38-x2m7","id":"tcs_01M5KGC1C175ZBCB7HBRHPSCBP","modified_at":"2026-03-03T04:57:44.033496Z","published_at":"2025-12-02T19:46:53Z","references":["https://osv.dev/vulnerability/GO-2025-4172","https://github.com/advisories/GHSA-p6gj-jc38-x2m7","https://nvd.nist.gov/vuln/detail/CVE-2025-12756","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GO-2025-4172#Go/github.com/mattermost/mattermost-server","url":"https://osv.dev/vulnerability/GO-2025-4172"},{"source":"nvd","source_id":"CVE-2025-12756","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12756"}],"summary":"Mattermost fails to validate user permissions when deleting comments in Boards in github.com/mattermost/mattermost"}