{"schema_version":"1.3.1","id":"GO-2026-4812","modified":"2026-03-23T18:16:18Z","published":"2026-03-23T18:16:18Z","aliases":["CVE-2026-26304","GHSA-4pmx-622h-x359"],"summary":"Mattermost fails to verify run_create permission for empty playbookId in github.com/mattermost/mattermost-plugin-playbooks","details":"Mattermost fails to verify run_create permission for empty playbookId in github.com/mattermost/mattermost-plugin-playbooks","affected":[{"package":{"name":"github.com/mattermost/mattermost-plugin-playbooks","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.41.1-0.20260316224925-705f54a81841"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-4pmx-622h-x359"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26304"},{"type":"FIX","url":"https://github.com/mattermost/mattermost-plugin-playbooks/commit/705f54a818410f3612df3865bfde608ed471037e"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4812","review_status":"UNREVIEWED"}}