CVE-2026-63268

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

State: Published
Severity: 6.7 Medium
Published: Oct 5, 2026
Updated: Oct 5, 2026
Reserved: Jul 16, 2026

Description

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 data providers are restored when a document is loaded.

Scores

CVSS	Score	Vector	Source
4.0	6.7 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N	Document Fdn.

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
LibreOfficeThe Document Foundation	26.2 to before < 26.2.5Affected

References

https://www.libreoffice.org/about-us/security/advisories/cve-2026-63268

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