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CVE-2026-78206 exceljs through 4.4.0 Uncontrolled Resource Consumption via Unbounded xlsx Decompression

🗓️ 24 Aug 2026 00:30:46Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 6 Views

Unbounded xlsx decompression in exceljs through 4.4.0 enables DoS via memory exhaustion.

Refs

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25 Aug 2026 04:02Current
5.5Medium risk
Vulners AI Score5.5
CVSS 48.7
6