{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20260127062706-c6b205f0d770 or later.","affected":[{"fixed":"8.0.0-20260127062706-c6b205f0d770","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2026-2578"],"ecosystem":"Go","epss":0.00228,"exploited":false,"fixed_versions":["8.0.0-20260127062706-c6b205f0d770"],"ghsa_id":"GHSA-3rhr-jr63-hwq5","id":"tcs_01M5KEVA42BMP25FZ6K98GGZ60","modified_at":"2026-03-23T18:56:01.583567Z","published_at":"2026-03-16T15:30:43Z","references":["https://osv.dev/vulnerability/GHSA-3rhr-jr63-hwq5","https://nvd.nist.gov/vuln/detail/CVE-2026-2578","https://github.com/mattermost/mattermost/commit/c6b205f0d77080ef805783de0628b9526af7faec","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-3rhr-jr63-hwq5","url":"https://osv.dev/vulnerability/GHSA-3rhr-jr63-hwq5"}],"summary":"Mattermost fails to preserve the redacted state of burn-on-read posts during deletion"}