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.
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Fixes

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Workaround

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History

Mon, 05 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 05 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared The Document Foundation
The Document Foundation libreoffice
Vendors & Products The Document Foundation
The Document Foundation libreoffice

Mon, 05 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Description 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.
Title LFI and GET SSRF via calcext:data-mappings and csv provider
Weaknesses CWE-200
CWE-918
References
Metrics cvssV4_0

{'score': 6.7, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Document Fdn.

Published:

Updated: 2026-10-05T12:42:18.571Z

Reserved: 2026-07-16T08:17:05.511Z

Link: CVE-2026-63267

cve-icon Vulnrichment

Updated: 2026-10-05T12:42:13.507Z

cve-icon NVD

Status : Received

Published: 2026-10-05T12:17:10.713

Modified: 2026-10-05T13:16:53.637

Link: CVE-2026-63267

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T13:15:07Z

Weaknesses