EUVD-2026-47645Published

Traefik versions 3.7.0 through 3.7.6 contain a namespace confusion vulnerability in the Kubernetes Gateway API provider. When resolving HTTPRoute.spec.rules[].backendRefs[].filters[].extensionRef, Traefik used the backend Service namespace …

Exact source revision recorded 3 Nov 2026 12:07:45 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

euvd · EUVD-2026-47645

Published

Traefik versions 3.7.0 through 3.7.6 contain a namespace confusion vulnerability in the Kubernetes Gateway API provider. When resolving HTTPRoute.spec.rules[].backendRefs[].filters[].extensionRef, Traefik used the backend Service namespace instead of the HTTPRoute namespace. A low-privileged route author holding a ReferenceGrant for a cross-namespace Service could therefore bind a Traefik Middleware from the backend namespace without a separate grant for that middleware, potentially injecting trusted reverse-proxy identity headers into downstream requests. The issue is fixed in version 3.7.7.

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: Jul 22, 2026, 11:21:47 AM

dateUpdated: Oct 8, 2026, 3:51:40 PM

1 related source bulletins · separate from aliases

RHSA-2026:62260: Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.30.0 Release.

CVE-2025-55163 · CVE-2026-8286 · CVE-2026-9277 · CVE-2026-9547 · CVE-2026-9563 · CVE-2026-10050 · CVE-2026-10051 · CVE-2026-12143 · CVE-2026-12151 · CVE-2026-13149 · CVE-2026-15075 · CVE-2026-15076 · CVE-2026-27136 · CVE-2026-34986 · CVE-2026-39820 · CVE-2026-39831 · CVE-2026-39835 · CVE-2026-40898 · CVE-2026-40983 · CVE-2026-40984 · CVE-2026-41242 · CVE-2026-41695 · CVE-2026-41716 · CVE-2026-42264 · CVE-2026-42499 · CVE-2026-44705 · CVE-2026-45149 · CVE-2026-45416 · CVE-2026-45623 · CVE-2026-45674 · CVE-2026-46597 · CVE-2026-46681 · CVE-2026-47691 · CVE-2026-48020 · CVE-2026-48068 · CVE-2026-48491 · CVE-2026-49978 · CVE-2026-50010 · CVE-2026-50193 · CVE-2026-53488 · CVE-2026-53492 · CVE-2026-53622 · CVE-2026-54399 · CVE-2026-54428 · CVE-2026-54512 · CVE-2026-54513 · CVE-2026-54763 · CVE-2026-55831 · CVE-2026-55833 · CVE-2026-56745 · CVE-2026-56746 · CVE-2026-56819 · CVE-2026-59296 · CVE-2026-59869 · CVE-2026-59873 · CVE-2026-59874 · CVE-2026-59877 · CVE-2026-59888 · CVE-2026-59899 · CVE-2026-65600 · CVE-2026-65601 · CVE-2026-67213 · CVE-2026-67214 · CVE-2026-68494 · CVE-2026-69152 · CVE-2026-69153 · CVE-2026-73086 · CVE-2026-73566 · CVE-2026-73646 · CVE-2026-75838

Source published: Jul 22, 2026, 11:21:47 AM (timezone not stated)
Source modified: Oct 8, 2026, 3:51:40 PM (timezone not stated)
Observed here: 3 Nov 2026 12:07:45 UTC
Source terms: ENISA EUVD · source terms and attribution apply

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

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.

EUVD CVSS 4.0 · 5.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N