CVE-2026-63268
published 2026-10-05CVE-2026-63268: 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…
PriorityP427medium6.7CVSS 4.0
AVLACLATNPRLUIPVCHVINVANSCHSINSANEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
EPSS
0.12%
1.7th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| libreoffice | libreoffice | — | — |
| the_document_foundation | libreoffice | >= 26.2 < < 26.2.5 | < 26.2.5 |
CVSS provenance
nvdv4.06.7MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vendor_redhat6.7MEDIUM
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Red Hat
libreoffice: libreoffice: Information disclosure via external SQL data source links
vendor_redhat·2026-10-05·CVSS 6.7
CVE-2026-63268 [MEDIUM] CWE-73 libreoffice: libreoffice: Information disclosure via external SQL data source links
libreoffice: libreoffice: Information disclosure via external SQL data source links
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.
A flaw was found in LibreOffice Calc. An attacker could craft a spreadsheet document with an external database link that points to local text files. If a user opens the malicious document, the application automatically reads the local file contents into the sheet, leading to unauthorized information disclosure.
Statement: A flaw was found in LibreOffice Calc,
GHSA
LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document.
ghsa_unreviewed·2026-10-05
CVE-2026-63268 [MEDIUM] CWE-200 LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document.
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-63268 libreoffice: libreoffice: Information disclosure via external SQL data source links [fedora-all]
bugzilla·2026-10-05·CVSS 6.7
CVE-2026-63268 [MEDIUM] CVE-2026-63268 libreoffice: libreoffice: Information disclosure via external SQL data source links [fedora-all]
CVE-2026-63268 libreoffice: libreoffice: Information disclosure via external SQL data source links [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
Bugzilla
CVE-2026-63268 libreoffice: libreoffice: Information disclosure via external SQL data source links
bugzilla·2026-10-05·CVSS 6.7
CVE-2026-63268 [MEDIUM] CVE-2026-63268 libreoffice: libreoffice: Information disclosure via external SQL data source links
CVE-2026-63268 libreoffice: libreoffice: Information disclosure via external SQL data source links
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.
2026-10-05
Published