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EUVD-2026-19356

🗓️ 06 Apr 2026 15:54:03Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Fast-jwt had a leading whitespace flaw in publicKeyPemMatcher that enables algorithm confusion attack.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2023-48223
20 Nov 202314:51
circl
Circl
CVE-2026-34950
2 Apr 202608:53
circl
CNNVD
fast-jwt security vulnerability
20 Nov 202300:00
cnnvd
CNNVD
fast-jwt 加密问题漏洞
6 Apr 202600:00
cnnvd
CVE
CVE-2023-48223
20 Nov 202317:39
cve
CVE
CVE-2026-34950
6 Apr 202615:54
cve
Cvelist
CVE-2023-48223 fast-jwt JWT Algorithm Confusion
20 Nov 202317:39
cvelist
Cvelist
CVE-2026-34950 fast-jwt has an incomplete fix for CVE-2023-48223: JWT Algorithm Confusion via Whitespace-Prefixed RSA Public Key
6 Apr 202615:54
cvelist
EUVD
EUVD-2023-2944
3 Oct 202520:07
euvd
Github Security Blog
JWT Algorithm Confusion
20 Nov 202320:58
github
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "da22df1b-96cb-33ac-ae44-09a85205cc45",
        "vendor": {
          "name": "nearform"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "c4a77927-9b60-3985-8698-157fb7fbba6f",
        "product": {
          "name": "fast-jwt"
        },
        "product_version": "≤ 6.1.0"
      }
    ]
  }
]

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06 Apr 2026 15:54Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.9 - 9.1
EPSS0.00687
SSVC
2