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CVE-2026-2880

🗓️ 27 Feb 2026 18:25:37Reported by openjsType 
cve
 cve
🔗 web.nvd.nist.gov👁 36 Views🌐 WEB

Path normalization flaw in fastify middie below 9.2.0 may bypass authentication via scoped middleware.

Related
Detection
Affected
Refs
Paths
NVD
Node
fastifyfastify/middieRange<9.2.0node.js
[
  {
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/@fastify/middie",
    "product": "@fastify/middie",
    "vendor": "@fastify/middie",
    "versions": [
      {
        "lessThan": "9.2.0",
        "status": "affected",
        "version": "0.0.0",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
pathpath/secretAuthentication/authorization bypass via path-scoped middleware when router normalization is enabled in Fastify middie < 9.2.0.CWE-20

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17 Jun 2026 10:31Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
CVSS 48.2
EPSS0.0039
SSVC
36