{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250411064244-844447fbd57c or later.","affected":[{"fixed":"10.5.3","introduced":"10.5.0"},{"fixed":"9.11.12","introduced":"9.11.0"},{"fixed":"8.0.0-20250411064244-844447fbd57c","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2025-2527"],"ecosystem":"Go","epss":0.00314,"exploited":false,"fixed_versions":["10.5.3","9.11.12","8.0.0-20250411064244-844447fbd57c"],"ghsa_id":"GHSA-h356-3mfw-x368","id":"tcs_01M5KFBRSFZCYHEAF1P3E6C2ET","modified_at":"2025-05-23T16:13:25.553522Z","published_at":"2025-05-15T18:31:46Z","references":["https://osv.dev/vulnerability/GHSA-h356-3mfw-x368","https://nvd.nist.gov/vuln/detail/CVE-2025-2527","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-h356-3mfw-x368","url":"https://osv.dev/vulnerability/GHSA-h356-3mfw-x368"}],"summary":"Mattermost Fails to Verify User's Permissions When Accessing Groups"}