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CVE-2026-18165 @fastify/oauth2 vulnerable to Login CSRF via plantable OAuth state cookies

🗓️ 15 Aug 2026 13:45:51Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

@fastify/oauth2 7.2.0-8.2.x allows login CSRF via predictable state cookies plantable by sibling subdomains.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-18165
15 Aug 202613:45
attackerkb
circl
Circl
CVE-2026-18165
15 Aug 202613:48
circl
cve
CVE
CVE-2026-18165
15 Aug 202613:45
cve
euvd
EUVD
EUVD-2026-59767
15 Aug 202613:45
euvd
nvd
NVD
CVE-2026-18165
15 Aug 202614:17
nvd
ptsecurity
Positive Technologies
PT-2026-73032
15 Aug 202600:00
ptsecurity
[
  {
    "vendor": "@fastify/oauth2",
    "product": "@fastify/oauth2",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "7.2.0",
        "lessThan": "8.3.0"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "8.3.0"
      }
    ],
    "packageURL": "pkg:npm/@fastify/oauth2"
  }
]

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