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EUVD-2026-47582

🗓️ 21 Jul 2026 22:26:16Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Netty OCSP client fails to validate CertificateID, enabling replay attack; fixed in 4.2.16.Final.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-56820
21 Jul 202622:26
attackerkb
Circl
CVE-2026-56820
22 Jul 202602:59
circl
CVE
CVE-2026-56820
21 Jul 202622:26
cve
Cvelist
CVE-2026-56820 Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks
21 Jul 202622:26
cvelist
NVD
CVE-2026-56820
21 Jul 202623:17
nvd
OSV
CVE-2026-56820 Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks
21 Jul 202622:26
osv
Positive Technologies
PT-2026-63259
21 Jul 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "5b7cd3d8-e8de-3449-8f99-413a17a4a342",
        "vendor": {
          "name": "netty"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "8b05d1ab-4654-3641-b0c1-6428a38521d8",
        "product": {
          "name": "netty",
          "vendor": {
            "name": "netty"
          }
        },
        "product_version": "4.2.0.Final, < 4.2.16.Final"
      },
      {
        "id": "fe531b8f-4001-3c18-bfb9-dc51c656b3d5",
        "product": {
          "name": "netty",
          "vendor": {
            "name": "netty"
          }
        },
        "product_version": "< 4.1.136.Final"
      }
    ]
  }
]

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21 Jul 2026 22:26Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.4
3