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CVE-2026-33433

🗓️ 27 Mar 2026 13:49:08Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 6 Views

CVE-2026-33433: Traefik is vulnerable to identity spoofing via non-canonical headerField names.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
FreeBSD
traefik -- Multiple vulnerabilities
26 Mar 202600:00
freebsd
ATTACKERKB
CVE-2026-33433
27 Mar 202613:49
attackerkb
AlpineLinux
CVE-2026-33433
27 Mar 202613:49
alpinelinux
Information Security Automation
April Linux Patch Wednesday
22 Apr 202616:00
avleonov
Chainguard
CVE-2026-33433 vulnerabilities
7 Apr 202607:17
cgr
Circl
CVE-2026-33433
27 Mar 202610:29
circl
CNNVD
Traefik 安全漏洞
27 Mar 202600:00
cnnvd
Cvelist
CVE-2026-33433 Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField
27 Mar 202613:49
cvelist
EUVD
EUVD-2026-16616
27 Mar 202620:35
euvd
Tenable Nessus
FreeBSD : traefik -- Multiple vulnerabilities (09e36f7e-2b5b-11f1-852e-5404a68ad561)
30 Mar 202600:00
nessus
Rows per page
NVD
Vulners
Node
traefiktraefikRange<2.11.42
OR
traefiktraefikRange3.0.03.6.12
OR
traefiktraefikMatch3.7.0ea1
OR
traefiktraefikMatch3.7.0ea2
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": "< 2.11.42",
        "status": "affected"
      },
      {
        "version": ">= 3.0.0-beta1, < 3.6.11",
        "status": "affected"
      },
      {
        "version": ">= 3.7.0-ea.1, < 3.7.0-ea.3",
        "status": "affected"
      }
    ]
  }
]

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03 Apr 2026 17:09Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.8
CVSS 45
EPSS0.00027
SSVC
6