{"action":"Upgrade github.com/mattermost/mattermost-server to 5.3.2-0.20260326202606-fac92f4a71f3 or later.","affected":[{"fixed":"5.3.2-0.20260326202606-fac92f4a71f3","introduced":"0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2026-6346"],"ecosystem":"Go","epss":0.00301,"exploited":false,"fixed_versions":["5.3.2-0.20260326202606-fac92f4a71f3"],"ghsa_id":"GHSA-9p64-jpc7-m2rp","id":"tcs_01M5KF5ZT26H3JNWC8BTXMH3AY","modified_at":"2026-06-25T19:56:08.294385688Z","published_at":"2026-05-18T09:31:48Z","references":["https://osv.dev/vulnerability/GHSA-9p64-jpc7-m2rp","https://nvd.nist.gov/vuln/detail/CVE-2026-6346","https://github.com/mattermost/mattermost/commit/fac92f4a71f356009e27983a980f729f599e8ba5","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-9p64-jpc7-m2rp#Go/github.com/mattermost/mattermost-server","url":"https://osv.dev/vulnerability/GHSA-9p64-jpc7-m2rp"}],"summary":"Mattermost doesn't sanitize sensitive configuration fields before including them in support packet generation"}