{"schema":"threatline.record/2","record":{"id":"CVE-2026-116516","aliases":[],"summary":"Insufficient length validation when parsing Zoom chat transcriptions","details":"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","categories":["Applications & CMS"],"product":"Mattermost","vendor":"Mattermost","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116516","source_modified_at":"2026-10-26T15:35:50.283Z","fetched_at":"2026-10-26T19:10:57.178988Z","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"<=11.9 11.1.9 11.5.8 11.10.7.0","status":"affected","version":"<=11.9 11.1.9 11.5.8 11.10.7.0","versionType":"semver"},{"version":"11.10.0","status":"unaffected"},{"version":"11.9.2","status":"unaffected"},{"version":"11.8.6","status":"unaffected"},{"version":"11.7.11","status":"unaffected"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T13:56:57.973Z","modified_at":"2026-10-26T15:35:50.283Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116516","fetched_at":"2026-10-26T19:10:57.178988Z","source_modified_at":"2026-10-26T15:35:50.283Z"}],"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","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-26T14:54:35.705341Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-26T15:35:50.283Z","content_hash":"3d1f66e68c32e648fa00cece522f45697e1321add3d6de608166255c5fca3b3e"}}