{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250422131222-701ddc896a10 or later.","affected":[{"fixed":"8.0.0-20250422131222-701ddc896a10","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2025-4128"],"ecosystem":"Go","epss":0.00222,"exploited":false,"fixed_versions":["8.0.0-20250422131222-701ddc896a10"],"ghsa_id":"GHSA-jwhw-xf5v-qgxc","id":"tcs_01M5KFEVZ1EQCSCAT2K1BN0PSX","modified_at":"2025-06-11T18:27:33.544415Z","published_at":"2025-06-11T12:30:36Z","references":["https://osv.dev/vulnerability/GHSA-jwhw-xf5v-qgxc","https://nvd.nist.gov/vuln/detail/CVE-2025-4128","https://github.com/mattermost/mattermost/commit/2138a5f2ca6f75e2b99f6a04ea569d0f680c4fab","https://github.com/mattermost/mattermost/commit/701ddc896a107b13f457fbdbe229bce5019fc516","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"low","score":3.1},"sources":[{"source":"osv","source_id":"GHSA-jwhw-xf5v-qgxc","url":"https://osv.dev/vulnerability/GHSA-jwhw-xf5v-qgxc"}],"summary":"Mattermost allows guest users to view information about public teams they are not members of"}