{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.1.5 or later.","affected":[{"fixed":"8.1.5","introduced":"0"},{"fixed":"9.0.3","introduced":"9.0.0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2023-6458"],"ecosystem":"Go","epss":0.00643,"exploited":false,"fixed_versions":["8.1.5","9.0.3"],"ghsa_id":"GHSA-7664-hcp7-f497","id":"tcs_01M5KF1FRA6PJDM7MQJAYK6SD0","modified_at":"2026-09-10T03:49:59.553122863Z","published_at":"2023-12-06T09:30:17Z","references":["https://osv.dev/vulnerability/GHSA-7664-hcp7-f497","https://nvd.nist.gov/vuln/detail/CVE-2023-6458","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-7664-hcp7-f497#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GHSA-7664-hcp7-f497"}],"summary":"Mattermost Injection vulnerability"}