{"schema":"threatline.record/2","record":{"id":"CVE-2026-93847","aliases":[],"summary":"Improper post type validation on scheduled post endpoints","details":"Mattermost versions 11.7.x <= 11.7.10 fail to validate reserved system post types on the scheduled post creation and publication paths which allows an authenticated channel member to publish messages rendering as trusted system events via the scheduled post endpoint.. Mattermost Advisory ID: MMSA-2026-00732","categories":["Applications & CMS"],"product":"Mattermost","vendor":"Mattermost","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93847","source_modified_at":"2026-10-26T14:15:12.711Z","fetched_at":"2026-10-26T19:10:57.178988Z","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"11.7.10","status":"affected","version":"11.7.0","versionType":"semver"},{"version":"11.11.0","status":"unaffected"},{"version":"11.7.11","status":"unaffected"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":3.5,"severity":"Low","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T14:15:12.711Z","modified_at":"2026-10-26T14:15:12.711Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93847","fetched_at":"2026-10-26T19:10:57.178988Z","source_modified_at":"2026-10-26T14:15:12.711Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://mattermost.com/security-updates","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-26T14:15:12.711Z","content_hash":"10037a4320552dbd691c6d5db5924227356d850b7b5371163e42275dceb8ca30"}}