{"id":"CVE-2026-13411","revision":"40b4a5e9d2b5459994f4e286530a7ec0","records":[{"revision":"40b4a5e9d2b5459994f4e286530a7ec0","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-13411","aliases":[],"title":"Null condition in Playbooks import crashes the plugin","description":"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","state":0,"publishedAt":"2026-10-22T10:46:05.465+00:00","modifiedAt":"2026-10-22T13:37:46.805+00:00","affected":[{"ecosystem":"Vendor product","name":"Mattermost","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Mattermost\",\n                    \"vendor\": \"Mattermost\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"11.7.11\",\n                            \"status\": \"affected\",\n                            \"version\": \"11.7.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"11.10.0\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"11.7.12\",\n                            \"status\": \"unaffected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","score":4.3,"severity":"MEDIUM"}],"references":["https://mattermost.com/security-updates"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-13411","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-13411","identifiers":["CVE-2026-13411"]},"retained":false,"historicalAffected":[]}],"coverage":[]}