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CVE-2026-4349 Duende IdentityServer4 Token Renewal Endpoint authorize improper authentication

🗓️ 17 Mar 2026 21:32:11Reported by VulDBType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

CVE-2026-4349: Duende IdentityServer token renewal allows remote authentication via id_token_hint.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-4349
17 Mar 202621:32
attackerkb
CNNVD
Duende IdentityServer 授权问题漏洞
17 Mar 202600:00
cnnvd
CVE
CVE-2026-4349
17 Mar 202621:32
cve
EUVD
EUVD-2026-12659
18 Mar 202600:30
euvd
NVD
CVE-2026-4349
17 Mar 202622:16
nvd
Positive Technologies
PT-2026-25949
17 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-4349
26 Mar 202615:06
redhatcve
Vulnrichment
CVE-2026-4349 Duende IdentityServer4 Token Renewal Endpoint authorize improper authentication
17 Mar 202621:32
vulnrichment
[
  {
    "vendor": "Duende",
    "product": "IdentityServer4",
    "versions": [
      {
        "version": "4.1.0",
        "status": "affected"
      },
      {
        "version": "4.1.1",
        "status": "affected"
      },
      {
        "version": "4.1.2",
        "status": "affected"
      }
    ],
    "modules": [
      "Token Renewal Endpoint"
    ]
  }
]

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25 Mar 2026 10:56Current
CVSS 25.1
CVSS 3.15.6
CVSS 35.6
CVSS 46.3
EPSS0.00024
23