{"action":"Upgrade github.com/mattermost/mattermost-server to 3.8.1-0.20170504181128-4f074fed0d65 or later.","affected":[{"fixed":"3.8.1-0.20170504181128-4f074fed0d65","introduced":"0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18909"],"ecosystem":"Go","epss":0.00656,"exploited":false,"fixed_versions":["3.8.1-0.20170504181128-4f074fed0d65"],"ghsa_id":"GHSA-r6j5-fqx9-7qv9","id":"tcs_01M5KFM7DFG6FQDMZME9TDJY67","modified_at":"2026-02-19T20:41:06.840451Z","published_at":"2022-05-24T17:21:06Z","references":["https://osv.dev/vulnerability/GHSA-r6j5-fqx9-7qv9","https://nvd.nist.gov/vuln/detail/CVE-2017-18909","https://github.com/mattermost/mattermost/commit/4f074fed0d653a28779ac586e418341232d43e95","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-r6j5-fqx9-7qv9","url":"https://osv.dev/vulnerability/GHSA-r6j5-fqx9-7qv9"}],"summary":"Mattermost Server SAML implementation does not require encryption or signature verification as default"}