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CVE-2025-66491

🗓️ 09 Dec 2025 00:38:39Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Traefik 3.5.0–3.6.2 invert TLS verification via proxy-ssl-verify, enabling MITM on HTTPS backends; fixed in 3.6.3.

Related
Detection
Affected
Refs
NVD
Vulners
Node
traefiktraefikRange3.5.03.6.3
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": ">= 3.5.0, < 3.6.3",
        "status": "affected"
      }
    ]
  }
]

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02 Jan 2026 21:12Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.15.9
EPSS0.00012
SSVC
8