EUVD-2026-22993Published

Mafintosh's protocol-buffers-schema is vulnerable to prototype pollution

cve-program · CVE-2026-5758

Published

Protocol-buffers-schema parser

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Mafintosh",
                    "product": "Protocol-buffers-schema parser",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.6.0",
                            "lessThan": "3.6.1",
                            "versionType": "custom"
                        }
                    ]
                }

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

euvd · EUVD-2026-22993

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: Apr 15, 2026, 5:20:13 PM

dateUpdated: Apr 15, 2026, 6:55:45 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-2026-5758

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: Awaiting Analysis

Original publisher date fields

published: 2026-04-15T18:17:24.920

lastModified: 2026-10-26T21:10:00.170

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

osv · GHSA-j452-xhg8-qg39

Published

protocol-buffers-schema

npm

SEMVER · introduced 0 → fixed 3.6.1

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