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

CVE-2026-63277

RCE via calcext:data-mappings, sql provider and jdbc connector PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
The Document Foundation / LibreOffice	affected 26.2 before < 26.2.5

CWE

CWE-829

References

https://www.libreoffice.org/about-us/security/advisories/cve-2026-63277

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.