{"action":"Upgrade github.com/mattermost/mattermost-server to 9.11.9+incompatible or later.","affected":[{"fixed":"9.11.9+incompatible","introduced":"9.11.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2025-27715"],"ecosystem":"Go","epss":0.00217,"exploited":false,"fixed_versions":["9.11.9+incompatible"],"ghsa_id":"GHSA-cw7q-5cgc-h3h9","id":"tcs_01M5KG7Q1K7764YFZ3XSBWCMB1","modified_at":"2026-03-03T04:56:25.977840Z","published_at":"2025-03-25T19:38:11Z","references":["https://osv.dev/vulnerability/GO-2025-3555","https://github.com/advisories/GHSA-cw7q-5cgc-h3h9","https://nvd.nist.gov/vuln/detail/CVE-2025-27715","https://mattermost.com/security-updates"],"severity":{"label":"low","score":2.7},"sources":[{"source":"osv","source_id":"GO-2025-3555","url":"https://osv.dev/vulnerability/GO-2025-3555"},{"source":"nvd","source_id":"CVE-2025-27715","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27715"}],"summary":"Mattermost fail to prompt for explicit approval before adding a team admin to a private channel in github.com/mattermost/mattermost-server"}