{"id":"CVE-2026-63266","revision":"e0e95e3de8484669a97ca0cd3d552abc","records":[{"revision":"e0e95e3de8484669a97ca0cd3d552abc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-63266","aliases":[],"title":"Arbitrary file write via calcext:data-mappings, sql provider and Firebird backup functionality","description":"LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. Through such a link a document could open an embedded Firebird database that wrote a file to any location the user could write to. In fixed versions an embedded Firebird database can open or create files only inside its own private directory.","state":0,"publishedAt":"2026-10-05T11:17:21.513+00:00","modifiedAt":"2026-10-05T12:42:53.493+00:00","affected":[{"ecosystem":"Vendor product","name":"LibreOffice","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"The Document Foundation\",\n                    \"product\": \"LibreOffice\",\n                    \"defaultStatus\": \"unknown\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"26.2\",\n                            \"lessThan\": \"< 26.2.5\",\n                            \"versionType\": \"26.2 series\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":6.8,"severity":"MEDIUM"}],"references":["https://www.libreoffice.org/about-us/security/advisories/cve-2026-63266"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63266","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-63266","identifiers":["CVE-2026-63266"]},"retained":false,"historicalAffected":[]}],"coverage":[]}