{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.1.5 or later.","affected":[{"fixed":"8.1.5","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2023-6459"],"ecosystem":"Go","epss":0.00534,"exploited":false,"fixed_versions":["8.1.5"],"ghsa_id":"GHSA-63cv-4pc2-4fcf","id":"tcs_01M5KEZ73WCYRZ906WEAARRCPX","modified_at":"2026-09-10T03:49:59.493388426Z","published_at":"2023-12-06T09:30:17Z","references":["https://osv.dev/vulnerability/GHSA-63cv-4pc2-4fcf","https://nvd.nist.gov/vuln/detail/CVE-2023-6459","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-63cv-4pc2-4fcf#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GHSA-63cv-4pc2-4fcf"}],"summary":"Mattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability"}