{"id":"CVE-2026-63267","title":"LibreOffice Calc can link a cell range to an external csv data source, and the link is saved in the document","summary":"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 requ…","severity":"medium","cvss":6.7,"cvssVector":"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","cwe":["CWE-200","CWE-918"],"vendor":"The Document Foundation","product":"LibreOffice","affected":["LibreOffice >= 26.2 < < 26.2.5"],"published":"2026-10-05","updated":"2026-10-05","sourceUpdated":"2026-10-05T13:16:53.637","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63267","references":[{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2026-63267","label":"security@documentfoundation.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-05T12:41:30.603476Z"},"cvssSource":"cna","ingestedAt":"2026-10-05T12:19:22.671Z","slug":"CVE-2026-63267","body":"## Overview\n\nLibreOffice 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":36.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}