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CoreDNS DoH/DoQ/gRPC bypass UPDATE rejection enforced on UDP/TCP

cve-program · CVE-2026-86003

Published

coredns

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "coredns",
                    "product": "coredns",
                    "versions": [
                        {
                            "version": "< 1.14.7",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-80989

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 16, 2026, 6:39:22 PM

dateUpdated: Sep 17, 2026, 7:25:42 PM

1 related source bulletins · separate from aliases

msrc_CVE-2026-86003: CoreDNS DoH/DoQ/gRPC bypass UPDATE rejection enforced on UDP/TCP

CVE-2026-86003

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-2026-86003

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-441

Original publisher date fields

published: 2026-09-16T19:17:51.760

lastModified: 2026-09-24T21:24:11.250

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

osv · GHSA-9gm5-9rfh-m6vx

Published

github.com/coredns/coredns

Go

SEMVER · introduced 0 → fixed 1.14.7

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

osv · GO-2026-6506

Published

github.com/coredns/coredns

Go

SEMVER · introduced 0 → fixed 1.14.7

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 08:00 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current