{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.1.9 or later.","affected":[{"fixed":"9.3.1","introduced":"9.3.0"},{"fixed":"9.2.5","introduced":"9.2.0"},{"fixed":"8.1.9","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2024-1942"],"ecosystem":"Go","epss":0.0036,"exploited":false,"fixed_versions":["9.3.1","9.2.5","8.1.9"],"ghsa_id":"GHSA-hwjf-4667-gqwx","id":"tcs_01M5KFD5FG0ZAHSFQNA7M96A9N","modified_at":"2026-09-10T03:50:06.204699862Z","published_at":"2024-02-29T12:31:06Z","references":["https://osv.dev/vulnerability/GHSA-hwjf-4667-gqwx","https://nvd.nist.gov/vuln/detail/CVE-2024-1942","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-hwjf-4667-gqwx","url":"https://osv.dev/vulnerability/GHSA-hwjf-4667-gqwx"}],"summary":"Mattermost allows attackers access to posts in channels they are not a member of"}