{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server/v5","cve_ids":["CVE-2025-27936"],"ecosystem":"Go","epss":0.00345,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-2j87-p623-8cc2","id":"tcs_01M5KG821RNEB7VXDW96JPDW2Y","modified_at":"2026-02-04T03:57:14.305984Z","published_at":"2025-04-22T16:56:33Z","references":["https://osv.dev/vulnerability/GO-2025-3618","https://github.com/advisories/GHSA-2j87-p623-8cc2","https://nvd.nist.gov/vuln/detail/CVE-2025-27936","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GO-2025-3618#Go/github.com/mattermost/mattermost-server/v5","url":"https://osv.dev/vulnerability/GO-2025-3618"},{"source":"nvd","source_id":"CVE-2025-27936","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27936"}],"summary":"Mattermost vulnerable to Observable Timing Discrepancy in github.com/mattermost/mattermost-plugin-msteams"}