https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-08T14:23:52.189984+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-78209 CVE-2026-78209 — exceljs through 4.4.0 CSV Formula Injection via Unescaped Cell Values 2026-10-08T14:23:52.204445+00:00

Affected: exceljs

exceljs through 4.4.0 fails to neutralize leading equals, plus, minus, or at signs in cell values written to CSV output. Attackers who can influence exported cell values can inject formulas that execute when the CSV file is opened in a spreadsheet application, potentially exfiltrating data or performing other malicious actions.