{"schema":"threatline.record/2","record":{"id":"CVE-2026-13411","aliases":[],"summary":"Null condition in Playbooks import crashes the plugin","details":"Mattermost versions 11.7.x <= 11.7.11 fail to validate null elements when decoding playbook import conditions which allows an authenticated attacker to crash the Playbooks plugin instance-wide via a crafted import request containing a null condition. Mattermost Advisory ID: MMSA-2026-00709","categories":["Applications & CMS"],"product":"Mattermost","vendor":"Mattermost","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-13411","source_modified_at":"2026-10-22T13:37:46.805Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"11.7.11","status":"affected","version":"11.7.0","versionType":"semver"},{"version":"11.10.0","status":"unaffected"},{"version":"11.7.12","status":"unaffected"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":4.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00321,"percentile":0.23888,"score_date":"2026-10-23"},"published_at":"2026-10-22T10:46:05.465Z","modified_at":"2026-10-22T13:37:46.805Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-13411","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T13:37:46.805Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-13411","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"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","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-22T12:53:48.632686Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-22T13:37:46.805Z","content_hash":"89d9b9a44fa5a21c4bf42cddfee6399b911532a91982d65affeb2c7df4e4dbe5"}}