CVE-2026-78208

exceljs-hardened before 5.0.0 (and exceljs through 4.4.0) is affected by a path traversal vulnerability in the Workbook.addImage() function. The function fails to validate file path inputs, allowing an attacker to supply an arbitrary path that reads any file accessible to the Node.js process and ...

EUVD-2026-64683

exceljs-hardened before 5.0.0 contains a path traversal vulnerability in the Workbook.addImage function that fails to validate file paths. Attackers can supply arbitrary file paths to read any file accessible to the Node.js process and embed it in the generated workbook...