{"action":"Upgrade github.com/mattermost/mattermost-server to 10.11.12+incompatible or later.","affected":[{"fixed":"10.11.12+incompatible","introduced":"10.11.0-rc1+incompatible"},{"fixed":"11.2.4+incompatible","introduced":"11.2.0-rc1+incompatible"},{"fixed":"11.3.2+incompatible","introduced":"11.3.0-rc1+incompatible"},{"fixed":"11.4.1+incompatible","introduced":"11.4.0-rc1+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2026-3112"],"ecosystem":"Go","epss":0.00437,"exploited":false,"fixed_versions":["10.11.12+incompatible","11.2.4+incompatible","11.3.2+incompatible","11.4.1+incompatible"],"ghsa_id":"GHSA-3mw5-466q-295q","id":"tcs_01M5KGHT92V1M3R3ACN8C8CZY6","modified_at":"2026-06-25T18:45:17.957442304Z","published_at":"2026-06-25T18:26:48Z","references":["https://osv.dev/vulnerability/GO-2026-5092","https://github.com/advisories/GHSA-3mw5-466q-295q","https://nvd.nist.gov/vuln/detail/CVE-2026-3112","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5092","url":"https://osv.dev/vulnerability/GO-2026-5092"}],"summary":"Mattermost allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration in github.com/mattermost/mattermost-server"}