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CVE-2026-78209 exceljs through 4.4.0 CSV Formula Injection via Unescaped Cell Values

🗓️ 24 Aug 2026 00:30:48Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

CSV formula injection in exceljs through 4.4.0 via unescaped cell values enabling data exfiltration.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-78209
24 Aug 202600:00
cve
euvd
EUVD
EUVD-2026-64684
24 Aug 202600:30
euvd
nvd
NVD
CVE-2026-78209
24 Aug 202601:16
nvd
ptsecurity
Positive Technologies
PT-2026-79802
24 Aug 202600:00
ptsecurity
[
  {
    "vendor": "exceljs",
    "product": "exceljs",
    "collectionURL": "https://www.npmjs.com/package/exceljs",
    "packageName": "exceljs",
    "packageURL": "pkg:npm/exceljs",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "4.4.0",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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