{"id":"CVE-2026-63278","title":"URLs could be constructed which expanded environment variable or INI file values, so potentially sensitive information could be exfiltrated to a remote server on opening a document containing such links","summary":"URLs could be constructed which expanded environment variable or INI file values, so potentially sensitive information could be exfiltrated to a remote server on opening a document containing such links. The check added for CVE-2024-1242…","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"],"vendor":"The Document Foundation","product":"LibreOffice","affected":["LibreOffice >= 26.2 < < 26.2.5"],"published":"2026-09-22","updated":"2026-09-22","sourceUpdated":"2026-09-22T19:09:32.273","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63278","references":[{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2026-63278","label":"security@documentfoundation.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-22T12:17:14.275864Z"},"cvssSource":"cna","ingestedAt":"2026-09-22T12:03:01.596Z","slug":"CVE-2026-63278","body":"## Overview\n\nURLs could be constructed which expanded environment variable or INI file values, so potentially sensitive information could be exfiltrated to a remote server on opening a document containing such links. The check added for CVE-2024-12426 did not recognise every way of naming the package content provider, so a URL that named it differently still reached the expansion. In fixed versions the package content provider is matched when the URL is checked.\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":[]}