EUVD-2026-38577Published

Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services

cve-program · CVE-2026-54761

Published

traefik

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "traefik",
                    "product": "traefik",
                    "versions": [
                        {
                            "version": "< 3.6.21",
                            "status": "affected"
                        },
                        {
                            "version": ">= 3.7.0-ea.1, < 3.7.5",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-38577

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 23, 2026, 7:15:38 PM

dateUpdated: Jun 25, 2026, 12:45:24 PM

1 related source bulletins · separate from aliases

openSUSE-SU-2026:11251-1: traefik-3.7.7-1.1 on GA media

CVE-2026-54761 · CVE-2026-54762 · CVE-2026-54763 · CVE-2026-54764 · CVE-2026-54765

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-2026-54761

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-284 · CWE-863

Original publisher date fields

published: 2026-06-23T20:16:49.867

lastModified: 2026-06-26T16:37:51.767

1 source CPE criteria · context only

cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*

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-3g6v-2r68-prfc

Published

github.com/traefik/traefik/v3

SEMVER · introduced 0 → fixed 3.6.21

github.com/traefik/traefik/v2

SEMVER · introduced 0 → last_affected 2.11.50

github.com/traefik/traefik

SEMVER · introduced 0 → last_affected 1.7.34

github.com/traefik/traefik/v3

SEMVER · introduced 3.7.0-ea.1 → fixed 3.7.5

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

osv · GO-2026-5083

Published

github.com/traefik/traefik

SEMVER · introduced 0

github.com/traefik/traefik/v2

SEMVER · introduced 0

github.com/traefik/traefik/v3

SEMVER · introduced 0 → fixed 3.6.21 → introduced 3.7.0-ea.1 → fixed 3.7.5

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