Traefik is an HTTP reverse proxy and load balancer. For versions prior to 2.11.32 and 2.11.31 through 3.6.2, requests using PathPrefix, Path or PathRegex matchers can bypass path normalization. When Traefik uses path-based routing, requests…
Exact source revision recorded 7 Nov 2026 03:30:57 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2025-201731
PublishedTraefik is an HTTP reverse proxy and load balancer. For versions prior to 2.11.32 and 2.11.31 through 3.6.2, requests using PathPrefix, Path or PathRegex matchers can bypass path normalization. When Traefik uses path-based routing, requests containing URL-encoded restricted characters (/, \, Null, ;, ?, #) can bypass the middleware chain and reach unintended backends. For example, a request to http://mydomain.example.com/admin%2F could reach service-a without triggering my-security-middleware, bypassing security controls for the /admin/ path. This issue is fixed in versions 2.11.32 and 3.6.3.
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: Dec 9, 2025, 12:35:26 AM
dateUpdated: Dec 9, 2025, 4:03:33 PM
3 related source bulletins · separate from aliases
RHSA-2026:2456: Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.26.0 Release.
CVE-2024-25621 · CVE-2025-12816 · CVE-2025-15284 · CVE-2025-52881 · CVE-2025-58183 · CVE-2025-61729 · CVE-2025-64756 · CVE-2025-65945 · CVE-2025-66031 · CVE-2025-66418 · CVE-2025-66471 · CVE-2025-66490 · CVE-2026-21441 · CVE-2026-22029
openSUSE-SU-2026:10143-1: traefik2-2.11.35-1.1 on GA media
CVE-2025-54386 · CVE-2025-58181 · CVE-2025-66490 · CVE-2026-22045
openSUSE-SU-2026:10020-1: traefik-3.6.6-1.1 on GA media
CVE-2025-66490 · CVE-2025-66491
- Source published
- Dec 9, 2025, 12:35:26 AM (timezone not stated)
- Source modified
- Dec 9, 2025, 4:03:33 PM (timezone not stated)
- Observed here
- 7 Nov 2026 03:30:57 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 · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N