{"id":"CVE-2026-116516","revision":null,"records":[{"revision":"2116ff3f47034891b99e4743d0212c12","observedAt":"2026-10-26T16:35:30.797+00:00","statement":{"source":"cve-program","id":"CVE-2026-116516","aliases":[],"title":"Insufficient length validation when parsing Zoom chat transcriptions","description":"Mattermost versions <=11.9 11.1.9 11.5.8 11.10.7.0 fail to validate Zoom chat line length before slicing which allows an authenticated attacker to crash the Agents plugin via summarizing a Zoom chat transcription containing short continuation lines. Mattermost Advisory ID: MMSA-2026-00723","state":0,"publishedAt":"2026-10-26T13:56:57.973+00:00","modifiedAt":"2026-10-26T15:35:50.283+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\": \"<=11.9 11.1.9 11.5.8 11.10.7.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"<=11.9 11.1.9 11.5.8 11.10.7.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"11.10.0\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"11.9.2\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"11.8.6\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"11.7.11\",\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:H","score":6.5,"severity":"MEDIUM"}],"references":["https://mattermost.com/security-updates"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116516","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116516","identifiers":["CVE-2026-116516"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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