{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 9.5.7 or later.","affected":[{"fixed":"9.5.7","introduced":"9.5.0"},{"fixed":"9.7.6","introduced":"9.7.0"},{"fixed":"9.8.2","introduced":"9.8.0"},{"fixed":"9.9.1","introduced":"9.9.0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2024-39274"],"ecosystem":"Go","epss":0.00341,"exploited":false,"fixed_versions":["9.5.7","9.7.6","9.8.2","9.9.1"],"ghsa_id":"GHSA-cmc8-222c-vqp9","id":"tcs_01M5KF7J6JF42CCRD35EPPGYFB","modified_at":"2024-11-18T16:26:58Z","published_at":"2024-08-01T15:32:21Z","references":["https://osv.dev/vulnerability/GHSA-cmc8-222c-vqp9","https://nvd.nist.gov/vuln/detail/CVE-2024-39274","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates","https://pkg.go.dev/vuln/GO-2024-3028"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-cmc8-222c-vqp9","url":"https://osv.dev/vulnerability/GHSA-cmc8-222c-vqp9"}],"summary":"Mattermost failed to properly validate that the channel that comes from the sync message is a shared channel"}