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CVE-2026-56763 Hono - Prototype Pollution via __proto__ Key in parseBody with dot Option

🗓️ 11 Jul 2026 13:00:59Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Hono before 4.12.7 allows __proto__ in parseBody with dot option, enabling prototype pollution via unsafe merge.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-56763
11 Jul 202613:00
cve
EUVD
EUVD-2026-43173
11 Jul 202613:00
euvd
NVD
CVE-2026-56763
11 Jul 202614:16
nvd
[
  {
    "vendor": "Hono",
    "product": "Hono",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/hono",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.12.7"
      },
      {
        "version": "4.12.7",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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11 Jul 2026 13:00Current
CVSS 3.14.8
CVSS 46.3
3