{"action":"Upgrade github.com/mattermost/mattermost-plugin-msteams to 2.1.0 or later.","affected":[{"fixed":"2.1.0","introduced":"0"}],"component":"github.com/mattermost/mattermost-plugin-msteams","cve_ids":["CVE-2025-27936"],"ecosystem":"Go","epss":0.00345,"exploited":false,"fixed_versions":["2.1.0"],"ghsa_id":"GHSA-2j87-p623-8cc2","id":"tcs_01M5KES9BTY6DWCW5TVXT4XXRX","modified_at":"2026-09-10T03:50:56.933832550Z","published_at":"2025-04-16T12:31:19Z","references":["https://osv.dev/vulnerability/GHSA-2j87-p623-8cc2","https://nvd.nist.gov/vuln/detail/CVE-2025-27936","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates","https://pkg.go.dev/vuln/GO-2025-3618"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-2j87-p623-8cc2#Go/github.com/mattermost/mattermost-plugin-msteams","url":"https://osv.dev/vulnerability/GHSA-2j87-p623-8cc2"}],"summary":"Mattermost vulnerable to Observable Timing Discrepancy"}