CVE-2026-63268NVD

Vulnerability Summary

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.

Severity Level

MEDIUM(6.7)

Published Date

Oct 5, 2026

Last Modified

Oct 5, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-200: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 6.7 (MEDIUM)

Attack VectorLocal

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredLow

User InteractionPassive

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)None

Availability (Vulnerable System)None

Confidentiality (Subsequent System)High

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

The Document Foundation LibreOffice >= 26.2 and < < 26.2.5

Patched Versions

The Document Foundation LibreOffice < 26.2.5

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