{"id":"CVE-2026-93643","revision":"28ffa32981194a8ebd4a1f36ca4d0c94","records":[{"revision":"28ffa32981194a8ebd4a1f36ca4d0c94","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93643","aliases":[],"title":"Zimbra Collaboration Suite OnlyOffice Integration Path Traversal Leading to Remote Code Execution via Unauthenticated /downloadas Request","description":"When OnlyOffice/Document Editing is available, an unauthenticated remote attacker with access to an existing supported public Briefcase document can abuse unsigned\u00A0save\u00A0fields to perform path-traversal writes and execute commands as\u00A0zimbra.","state":0,"publishedAt":"2026-09-25T13:57:19.199+00:00","modifiedAt":"2026-09-26T03:55:49.487+00:00","affected":[{"ecosystem":"Vendor product","name":"Zimbra Collaboration Suite (ZCS)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Zimbra\",\n                    \"product\": \"Zimbra Collaboration Suite (ZCS)\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"10.1.21\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93643","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93643","identifiers":["CVE-2026-93643"]},"retained":false,"historicalAffected":[]}],"coverage":[]}