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CVE-2026-92087 @fastify/auth vulnerable to Authorization Bypass via order-dependent evaluation of composed auth

🗓️ 16 Sep 2026 14:21:23Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

Authorization bypass in @fastify/auth 5.0.0-5.1.0 via order-dependent AND group evaluation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-92087
16 Sep 202614:24
–circl
cve
CVE
CVE-2026-92087
16 Sep 202614:21
–cve
euvd
EUVD
EUVD-2026-80788
16 Sep 202614:21
–euvd
nvd
NVD
CVE-2026-92087
16 Sep 202615:18
–nvd
ptsecurity
Positive Technologies
PT-2026-93764
16 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-92087: Improper Authorization
16 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-92087 @fastify/auth vulnerable to Authorization Bypass via order-dependent evaluation of composed auth
16 Sep 202614:21
–vulnrichment
[
  {
    "vendor": "@fastify/auth",
    "product": "@fastify/auth",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "5.0.0",
        "lessThan": "5.1.1"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "5.1.1"
      }
    ],
    "packageURL": "pkg:npm/@fastify/auth"
  }
]

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16 Sep 2026 14:21Current
CVSS 3.18.1
EPSS0.00475
SSVC
55