CVE-2026-54269Published

protobufjs: Schema-derived names can shadow runtime-significant properties

cve-program · CVE-2026-54269

Published

protobuf.js

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "protobufjs",
                    "product": "protobuf.js",
                    "versions": [
                        {
                            "version": "< 7.6.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 8.0.0, < 8.6.0",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-38307

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: Jun 22, 2026, 4:23:24 PM

dateUpdated: Jun 23, 2026, 4:09:36 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-2026-54269

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: Analyzed

Weakness classifications: CWE-674 · CWE-754

Original publisher date fields

published: 2026-06-22T18:16:45.350

lastModified: 2026-10-25T23:10:00.167

2 source CPE criteria · context only

cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:*
cpe:2.3:a:protobufjs_project:protobufjs-cli:*:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

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

osv · GHSA-f38q-mgvj-vph7

Published

protobufjs

npm

SEMVER · introduced 0 → fixed 7.6.3

protobufjs-cli

npm

SEMVER · introduced 2.0.0 → fixed 2.5.1

protobufjs-cli

npm

SEMVER · introduced 0 → fixed 1.3.3

protobufjs

npm

SEMVER · introduced 8.0.0 → fixed 8.6.0

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