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CVE-2026-78208

8.7 high SSVC exploitation: none Deferred
NVD · CVE.org

exceljs through 4.4.0 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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 8.7NVD modified 2026-10-14 13:10

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5