EUVD-2026-43173PublishedWithdrawn

Hono - Prototype Pollution via proto Key in parseBody with dot Option

cve-program · CVE-2026-56763

Published

Hono

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-43173

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jul 11, 2026, 1:00:59 PM

dateUpdated: Jul 14, 2026, 2:30:12 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-56763

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Deferred

Weakness classifications: CWE-1321

Original publisher date fields

published: 2026-07-11T14:16:22.080

lastModified: 2026-10-25T15:10:00.147

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-3wcj-gjvf-fvch

Withdrawn

hono

npm

SEMVER · introduced 0

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-v8w9-8mx6-g223

Published

hono

npm

SEMVER · introduced 0 → fixed 4.12.7

Original source record · Cite this exact observation · Complete original publisher JSON