[ CVE-2026-63277 · Published 5 Oct 2026 ]

Vulnerability in The Document Foundation LibreOffice

CVSS 8.5 EPSS <1%2 agency advisoriesFix available

[ Description ]Official description

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 a Java class path has to be a file URL.

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

  • BSI CERT-BundWID-SEC-2026-3738

    LibreOffice: Multiple vulnerabilities Translated from German

    Risk highCVE-2026-63277CVE-2026-63266CVE-2026-63270+3 more CVEs
  • CERT-FRCERTFR-2026-AVI-1260

    Multiple vulnerabilities in OpenOffice Translated from French

    Multiple vulnerabilities have been discovered in OpenOffice. They allow an attacker to cause remote arbitrary code execution.

    CVE-2026-63277CVE-2026-59265