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EUVD-2026-75429

🗓️ 10 Sep 2026 13:05:30Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 23 Views

Header smuggling in Traefik via dot/underscore aliases bypasses middleware identity assertions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-88879
10 Sep 202613:05
–alpinelinux
cve
CVE
CVE-2026-88879
10 Sep 202613:05
–cve
cvelist
Cvelist
CVE-2026-88879 Traefik before v2.11.56 Identity Spoofing via Header Alias
10 Sep 202613:05
–cvelist
mend
Mend
CVE-2026-88879
10 Sep 202613:05
–mend
nvd
NVD
CVE-2026-88879
10 Sep 202614:17
–nvd
osv_cga
osv_cga
CGA-7GJ2-QHX9-JMHH
15 Sep 202612:21
–osv_cga
osv_cga
osv_cga
CGA-CXV4-FW2V-6744
15 Sep 202614:21
–osv_cga
osv_cve
osv_cve
CVE-2026-88011 Traefik: ForwardAuth identity spoofing via dot-form header alias
10 Sep 202615:31
–osv_cve
osv_cve
osv_cve
CVE-2026-88879 Traefik before v2.11.56 Identity Spoofing via Header Alias
10 Sep 202613:05
–osv_cve
osv_ghsa
osv_ghsa
GHSA-RF44-J88R-HH8C Traefik: ForwardAuth identity spoofing via dot-form header alias
10 Sep 202620:28
–osv_ghsa
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "0f081ffd-a83f-3c0b-b171-5cf6fff7b44e",
        "vendor": {
          "name": "traefik"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "a5f90b66-c81b-30b1-b37c-9dbbf7f36857",
        "product": {
          "name": "traefik",
          "vendor": {
            "name": "traefik"
          }
        },
        "product_version": "3.0.0 ≤3.7.13"
      },
      {
        "id": "c635f715-b188-3e6b-99e2-0dd1fa62c0ab",
        "product": {
          "name": "traefik",
          "vendor": {
            "name": "traefik"
          }
        },
        "product_version": "0 <2.11.56"
      }
    ]
  }
]

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10 Sep 2026 15:04Current
5.9Medium risk
Vulners AI Score5.9
CVSS 45.3
EPSS0.00295
SSVC
23