{"action":"Upgrade github.com/mattermost/mattermost-server to 3.9.2+incompatible or later.","affected":[{"fixed":"3.9.2+incompatible","introduced":"0"},{"fixed":"3.10.2+incompatible","introduced":"3.10.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18905"],"ecosystem":"Go","epss":0.00775,"exploited":false,"fixed_versions":["3.9.2+incompatible","3.10.2+incompatible"],"ghsa_id":"GHSA-g24c-fx4v-xg9w","id":"tcs_01M5KGCZTGKXX51PRH7CSPNEAX","modified_at":"2026-03-03T04:57:50.533953Z","published_at":"2026-01-13T16:42:40Z","references":["https://osv.dev/vulnerability/GO-2026-4306","https://github.com/advisories/GHSA-g24c-fx4v-xg9w","https://nvd.nist.gov/vuln/detail/CVE-2017-18905","https://github.com/mattermost/mattermost/commit/15ad24d160cb4604d0605ebbfa53d11a57820706","https://github.com/mattermost/mattermost/commit/b17fca0d5ee7557e3df1cf1d1da8bd749859e35f","https://github.com/mattermost/mattermost/commit/fbc170733e86f09b46ba754dd03304733d2f482f","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4306","url":"https://osv.dev/vulnerability/GO-2026-4306"}],"summary":"Mattermost Server has Insufficient Session Expiration when used as an OAuth 2.0 service provider in github.com/mattermost/mattermost-server"}