{"action":"Upgrade github.com/mattermost/mattermost-server to 5.3.2-0.20260311102650-3057ae7e83e9 or later.","affected":[{"fixed":"5.3.2-0.20260311102650-3057ae7e83e9","introduced":"0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2026-6345"],"ecosystem":"Go","epss":0.00231,"exploited":false,"fixed_versions":["5.3.2-0.20260311102650-3057ae7e83e9"],"ghsa_id":"GHSA-wvgv-4fc3-2rcp","id":"tcs_01M5KFR6QKPRXHR68D0G33RZ5P","modified_at":"2026-06-25T23:11:34.114532854Z","published_at":"2026-05-18T09:31:48Z","references":["https://osv.dev/vulnerability/GHSA-wvgv-4fc3-2rcp","https://nvd.nist.gov/vuln/detail/CVE-2026-6345","https://github.com/mattermost/mattermost/commit/3057ae7e83e9c827ce7818d67c0f3a208f0d9709","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-wvgv-4fc3-2rcp#Go/github.com/mattermost/mattermost-server","url":"https://osv.dev/vulnerability/GHSA-wvgv-4fc3-2rcp"}],"summary":"Mattermost doesn't prevent disclosure of created user password"}