data/reports/GO-2026-4893.yaml

id: GO-2026-4893
modules:
    - module: github.com/traefik/traefik
      vulnerable_at: 1.7.34
    - module: github.com/traefik/traefik/v2
      versions:
        - fixed: 2.11.42
      vulnerable_at: 2.11.41
    - module: github.com/traefik/traefik/v3
      versions:
        - introduced: 3.0.0-beta1
        - fixed: 3.6.12
        - introduced: 3.7.0-ea.1
        - fixed: 3.7.0-ea.3
      vulnerable_at: 3.7.0-ea.2
      skip_lint: true
summary: |-
    Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical
    headerField in github.com/traefik/traefik
cves:
    - CVE-2026-33433
ghsas:
    - GHSA-qr99-7898-vr7c
references:
    - advisory: https://github.com/traefik/traefik/security/advisories/GHSA-qr99-7898-vr7c
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-33433
    - web: https://github.com/traefik/traefik/releases/tag/v2.11.42
    - web: https://github.com/traefik/traefik/releases/tag/v3.6.11
    - web: https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.3
source:
    id: GHSA-qr99-7898-vr7c
    created: 2026-03-31T13:05:17.774192-04:00
review_status: UNREVIEWED