{"action":"Upgrade github.com/mattermost/mattermost-server to 9.11.18+incompatible or later.","affected":[{"fixed":"9.11.18+incompatible","introduced":"9.11.0+incompatible"},{"fixed":"10.5.9+incompatible","introduced":"10.5.0+incompatible"},{"fixed":"10.8.4+incompatible","introduced":"10.8.0+incompatible"},{"fixed":"10.9.4+incompatible","introduced":"10.9.0+incompatible"},{"fixed":"10.10.2+incompatible","introduced":"10.10.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2025-9078"],"ecosystem":"Go","epss":0.00154,"exploited":false,"fixed_versions":["9.11.18+incompatible","10.5.9+incompatible","10.8.4+incompatible","10.9.4+incompatible","10.10.2+incompatible"],"ghsa_id":"GHSA-9p92-x77w-9fw2","id":"tcs_01M5KGACEA2NQ19NTP2QYYHZC4","modified_at":"2026-03-03T04:56:55.592311Z","published_at":"2025-09-17T17:03:49Z","references":["https://osv.dev/vulnerability/GO-2025-3959","https://github.com/advisories/GHSA-9p92-x77w-9fw2","https://nvd.nist.gov/vuln/detail/CVE-2025-9078","https://github.com/mattermost/mattermost/commit/356880c8430b77a4a390c89d5a33f6928188d137","https://github.com/mattermost/mattermost/commit/944ad5cdd9876ef61c78c8275906262a4118755a","https://github.com/mattermost/mattermost/commit/a8a4badc130be101e5bc4b7916bbcd2f966c4b79","https://github.com/mattermost/mattermost/commit/cd87e5c877373f109742aa90a3fa136c14774325","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2025-3959","url":"https://osv.dev/vulnerability/GO-2025-3959"}],"summary":"Mattermost makes Use of Weak Hash in github.com/mattermost/mattermost-server"}