GHSA-4q55-j62x-fr9h

GHSA-4q55-j62x-fr9h · devalue: Malformed null-prototype object keys bypass __proto__ rejection via property-key coercion

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This is another instance of https://github.com/sveltejs/devalue/security/advisories/GHSA-mwv9-gp5h-frr4, where some payloads could cause `parse` to create objects with a `__proto__` own property. This on its own is not enough to cause prototype pollution, and indeed this is actually how `JSON.parse` works, but we decided to be a little more defensive here and not allow the creation of objects with `__proto__` own-properties. It is very unlikely for this to cause any issues.

CVSS 6.3 · Mittel · Korrektur verfügbar

Veröffentlicht

2026-10-01T15:13:23Z

Aktualisiert

2026-10-01T15:30:05.275097480Z

Technologie-Stack: node

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