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CVE-2026-88011 Traefik: ForwardAuth identity spoofing via dot-form header alias

🗓️ 10 Sep 2026 15:31:55Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Identity spoofing in Traefik prior to 2.11.56 and 3.7.12 via dot-form header alias in ForwardAuth.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-88011
10 Sep 202615:31
cve
euvd
EUVD
EUVD-2026-75584
10 Sep 202615:31
euvd
github
Github Security Blog
Traefik: ForwardAuth identity spoofing via dot-form header alias
10 Sep 202620:28
github
nvd
NVD
CVE-2026-88011
10 Sep 202616:18
nvd
osv
OSV
GHSA-RF44-J88R-HH8C Traefik: ForwardAuth identity spoofing via dot-form header alias
10 Sep 202620:28
osv
ptsecurity
Positive Technologies
PT-2026-89472
10 Sep 202600:00
ptsecurity
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": "< 2.11.56",
        "status": "affected"
      },
      {
        "version": ">= 3.0.0, < 3.7.12",
        "status": "affected"
      }
    ]
  }
]

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