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CVE-2026-56677

🗓️ 17 Aug 2026 21:14:06Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 44 Views🌐 WEB

SSRF in 9Router via OIDC test endpoint allows unauthenticated attackers to scan internal services.

Related
Detection
Affected
Refs
Paths
Vulners
Node
decolua9routerRange≤0.5.4
[
  {
    "vendor": "decolua",
    "product": "9router",
    "versions": [
      {
        "version": "<= 0.5.4",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
issuerUrlrequest body/api/auth/oidc/testThe POST /api/auth/oidc/test endpoint passes the user-controlled issuerUrl parameter to fetchOidcDiscovery() without restricting private or loopback destinations, allowing attackers to scan internal services and reflect OIDC discovery fields.CWE-306, CWE-918

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16 Sep 2026 13:42Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.6
EPSS0.00375
SSVC
44