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CVE-2026-33228

🗓️ 20 Mar 2026 23:06:48Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 69 Views

Flatted parse() can pollute prototypes via attacker-controlled keys like __proto__; fixed in 3.4.2.

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Detection
Affected
Refs
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ATTACKERKB
CVE-2026-33228
20 Mar 202623:06
attackerkb
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NVD
Vulners
Node
webreflectionflattedRange<3.4.2node.js
[
  {
    "vendor": "WebReflection",
    "product": "flatted",
    "versions": [
      {
        "version": "< 3.4.2",
        "status": "affected"
      }
    ]
  }
]

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02 Jul 2026 12:17Current
6Medium risk
Vulners AI Score6
CVSS 3.19.8
CVSS 49.3
EPSS0.00808
SSVC
69