{"action":"Upgrade github.com/mattermost/mattermost-plugin-playbooks to 1.41.1-0.20260316224925-705f54a81841 or later.","affected":[{"fixed":"1.41.1-0.20260316224925-705f54a81841","introduced":"0"}],"component":"github.com/mattermost/mattermost-plugin-playbooks","cve_ids":["CVE-2026-26304"],"ecosystem":"Go","epss":0.00169,"exploited":false,"fixed_versions":["1.41.1-0.20260316224925-705f54a81841"],"ghsa_id":"GHSA-4pmx-622h-x359","id":"tcs_01M5KGG8NY6S88V0SN1JQR3CEZ","modified_at":"2026-03-23T18:45:20.022236Z","published_at":"2026-03-23T18:16:18Z","references":["https://osv.dev/vulnerability/GO-2026-4812","https://github.com/advisories/GHSA-4pmx-622h-x359","https://nvd.nist.gov/vuln/detail/CVE-2026-26304","https://github.com/mattermost/mattermost-plugin-playbooks/commit/705f54a818410f3612df3865bfde608ed471037e","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GO-2026-4812","url":"https://osv.dev/vulnerability/GO-2026-4812"},{"source":"nvd","source_id":"CVE-2026-26304","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26304"}],"summary":"Mattermost fails to verify run_create permission for empty playbookId in github.com/mattermost/mattermost-plugin-playbooks"}