EUVD-2026-83043Published

kcp front-proxy does not strip inbound X-Remote-* identity headers, allowing any authenticated client to inject groups/warrants and impersonate system:masters in any workspace

cve-program · CVE-2026-61682

Published

kcp

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "kcp-dev",
                    "product": "kcp",
                    "versions": [
                        {
                            "version": "< 0.31.4",
                            "status": "affected"
                        },
                        {
                            "version": ">= 0.32.0, < 0.32.2",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-83043

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 18, 2026, 4:11:46 PM

dateUpdated: Sep 21, 2026, 8:50:17 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-2026-61682

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-290 · CWE-302 · CWE-348

Original publisher date fields

published: 2026-09-18T16:17:07.523

lastModified: 2026-09-24T21:25:27.050

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

osv · GHSA-c8w2-fgvx-vhv4

Published

github.com/kcp-dev/kcp

SEMVER · introduced 0 → fixed 0.31.4

github.com/kcp-dev/kcp

SEMVER · introduced 0.32.0 → fixed 0.32.2

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

osv · GO-2026-6517

Published

github.com/kcp-dev/kcp

SEMVER · introduced 0 → fixed 0.31.4 → introduced 0.32.0 → fixed 0.32.2

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