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 doc…
Published: 2026-10-05 · CVSS: 6.7 · CVSS 4.0
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 external data links are updated under the same link update control as other links in a spreadsheet.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7