CVE-2026-63267 LFI and GET SSRF via calcext:data-mappings and csv provider

LibreOffice Calc can link a cell range to an external csv data source, and the link is saved in the document. Such a link was fetched while the document loaded, so opening a document could read a local file into the sheet, or make a request to a host of the document's choosing. In fixed versions...

CVE-2026-63268 LFI via calcext:data-mappings, sql provider and sdbc:flat:file:// db href

LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A link of the sql type could name a folder of local text files as a database, so opening a document could read a local text file into the sheet. In fixed versions only the csv, html and xml...

CVE-2026-63268

LibreOffice Calc is vulnerable to a Local File Inclusion (LFI) flaw when linking cell ranges to external data sources. An attacker can exploit the sql provider and sdbc:flat:file:// database href by naming a folder of local text files as a database. This allows a user to read local text files int...

CVE-2026-63267

LibreOffice Calc is vulnerable to Local File Inclusion (LFI) and GET Server-Side Request Forgery (SSRF) via the calcext:data-mappings and csv provider. The root cause is that the application automatically fetches external CSV data links saved in a document during the loading process. This allows ...

CVE-2026-63266

LibreOffice Calc is vulnerable to an arbitrary file write due to how it handles external data source links. An attacker can use a document to open an embedded Firebird database , which may write files to any location the user has permissions to access. The vulnerability is caused by a lack of dir...

CVE-2026-63266 Arbitrary file write via calcext:data-mappings, sql provider and Firebird backup functionality

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...

CVE-2026-63277

LibreOffice Calc is vulnerable to Remote Code Execution (RCE) when opening a document that links a cell range to an external data source. An attacker can craft a document naming a Java database driver to be loaded from a remote location, causing the application to execute Java code from that sour...

CVE-2026-63277 RCE via calcext:data-mappings, sql provider and jdbc connector

LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A document could name a Java database driver for such a link to be loaded from a remote location, so opening the document could run Java code from that location. In fixed versions an entry in...