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CVE-2026-56763
MEDIUM(4.8)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Risk Signal Score22/100 — NIEDRIG
- CVSS 4.8 — Mittel
- Weniger als 24 Stunden alt
Beschreibung
Hono before 4.12.7 allows __proto__ key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with __proto__ properties. When parsed results are merged into regular JavaScript objects using unsafe merge patterns, attackers can exploit this to achieve prototype pollution and modify object behavior.