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CVE-2025-66456 Elysia vulnerable to prototype pollution with multiple standalone schema validation

🗓️ 09 Dec 2025 19:43:10Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev👁 15 Views

Elysia prototype pollution in mergeDeep (1.4.0–1.4.16) allows remote code execution; fix in 1.4.17; remove __proto__.

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20 Oct 2026 11:08Current
6Medium risk
Vulners AI Score6
CVSS 49.1
EPSS0.0056
15