{"id":"CVE-2026-63277","title":"LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document","summary":"LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A document could name a Java database driver for such a link to be loaded from a remote location, so opening the document could run…","severity":"high","cvss":8.5,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-829"],"vendor":"The Document Foundation","product":"LibreOffice","affected":["LibreOffice >= 26.2 < < 26.2.5"],"published":"2026-10-05","updated":"2026-10-05","sourceUpdated":"2026-10-05T13:16:54.163","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63277","references":[{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2026-63277","label":"security@documentfoundation.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-05T12:43:08.481980Z"},"cvssSource":"cna","ingestedAt":"2026-10-05T12:19:22.673Z","slug":"CVE-2026-63277","body":"## Overview\n\nLibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A document could name a Java database driver for such a link to be loaded from a remote location, so opening the document could run Java code from that location. In fixed versions an entry in a Java class path has to be a file URL.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":46.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}