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EUVD-2026-108263

🗓️ 22 Oct 2026 17:22:50Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Unauthenticated attacker can broadcast realtime messages to subscribers in Supabase Realtime.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-54238
22 Oct 202617:35
–circl
cve
CVE
CVE-2026-54238
22 Oct 202617:22
–cve
cvelist
Cvelist
CVE-2026-54238 Supabase Realtime: Expired JWTs with string exp are accepted by REST broadcast authorization
22 Oct 202617:22
–cvelist
nvd
NVD
CVE-2026-54238
22 Oct 202618:17
–nvd
[
  {
    "enisaIdVendor": [
      {
        "id": "07763ac5-d7db-3c56-8405-47779c369270",
        "vendor": {
          "name": "supabase"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "e6870fd0-5601-34d8-9e4d-63f3f9b5d8a3",
        "product": {
          "name": "realtime",
          "vendor": {
            "name": "supabase"
          }
        },
        "product_version": "< 2.103.1"
      }
    ]
  }
]

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22 Oct 2026 17:22Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.13.1
2