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EUVD-2026-38638

🗓️ 23 Jun 2026 23:50:06Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 5 Views

Incorrect return-value check in ActivateFirmwareCmd allows bypass of microcontroller verification during hitless updates.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5818
23 Jun 202623:50
attackerkb
CVE
CVE-2026-5818
23 Jun 202623:50
cve
Cvelist
CVE-2026-5818 MCU Firmware Update Authentication Bypass on Caliptra Core
23 Jun 202623:50
cvelist
NVD
CVE-2026-5818
24 Jun 202600:16
nvd
Positive Technologies
PT-2026-51609
23 Jun 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "4a8aa694-1c8b-3db1-95fb-cf91204ddeb3",
        "vendor": {
          "name": "Caliptra"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "024750dd-f5d4-32a9-8b25-65b13c6a4ec5",
        "product": {
          "name": "Core Runtime Firmware",
          "vendor": {
            "name": "Caliptra"
          }
        },
        "product_version": "2.0.0 ≤2.0.1"
      },
      {
        "id": "2a4a8b52-e053-385c-9bd5-9071c6018061",
        "product": {
          "name": "Core Runtime Firmware",
          "vendor": {
            "name": "Caliptra"
          }
        },
        "product_version": "2.1.0"
      }
    ]
  }
]

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