CVE-2026-53718Published

Envoy Gateway custom backendRef cross-namespace ReferenceGrant bypass

cve-program · CVE-2026-53718

Published

gateway

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "envoyproxy",
                    "product": "gateway",
                    "versions": [
                        {
                            "version": "< 1.7.4",
                            "status": "affected"
                        },
                        {
                            "version": ">= 1.8.0-rc.0, < 1.8.1",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-78072

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: Sep 14, 2026, 8:12:12 PM

dateUpdated: Sep 15, 2026, 1:55:25 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-2026-53718

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

Weakness classifications: CWE-862

Original publisher date fields

published: 2026-09-14T21:17:13.140

lastModified: 2026-09-25T14:10:13.927

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

osv · GHSA-fcrp-7gc2-93g7

Published

github.com/envoyproxy/gateway

SEMVER · introduced 1.8.0-rc.0 → fixed 1.8.1

github.com/envoyproxy/gateway

SEMVER · introduced 0 → fixed 1.7.4

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

osv · GO-2026-6007

Published

github.com/envoyproxy/gateway

SEMVER · introduced 0 → fixed 1.7.4 → introduced 1.8.0-rc.0 → fixed 1.8.1

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