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CVE-2026-12644: Incomplete Object Property Blocklistcve-2026-12644-incomplete-object-property-blocklist

An incomplete blocklist was used to filter object keys. Filtering properties like `__proto__` and `constructor` but failing to filter essential `Object.prototype` properties like `toString`, `valueOf`, and `hasOwnProperty` can lead to application crashes (DoS) when overridden properties are unexpectedly executed. Consider validating against an extensive list

JSCVE-2026-12644CWE-1321CWE-20
by Provallyupdated 2026-06-23Apache-2.0
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