{"action":"Upgrade github.com/mattermost/mattermost-server to 9.11.10+incompatible or later.","affected":[{"fixed":"9.11.10+incompatible","introduced":"9.11.0+incompatible"},{"fixed":"10.4.3+incompatible","introduced":"10.4.0+incompatible"},{"fixed":"10.5.1+incompatible","introduced":"10.5.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2025-31363"],"ecosystem":"Go","epss":0.00288,"exploited":false,"fixed_versions":["9.11.10+incompatible","10.4.3+incompatible","10.5.1+incompatible"],"ghsa_id":"GHSA-9h6j-4ffx-cm84","id":"tcs_01M5KG84MS0VK3B6ZQSTEN67QQ","modified_at":"2026-02-04T03:42:20.097738Z","published_at":"2025-04-22T16:56:33Z","references":["https://osv.dev/vulnerability/GO-2025-3622","https://github.com/advisories/GHSA-9h6j-4ffx-cm84","https://nvd.nist.gov/vuln/detail/CVE-2025-31363","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GO-2025-3622","url":"https://osv.dev/vulnerability/GO-2025-3622"},{"source":"nvd","source_id":"CVE-2025-31363","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31363"}],"summary":"Mattermost doesn't restrict domains LLM can request to contact upstream in github.com/mattermost/mattermost-server"}