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CVE-2026-56820

HIGH · CVSS 7.4 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-07-21T23:17:52.403 · Çekilme zamanı: 2026-07-22T00:31:39.402823+00:00

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Detaylı analiz gerekiyor.

Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-56820
Severity
HIGH
CVSS
7.4
EPSS
Yok

Orijinal NVD Açıklaması

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and prior to 4.1.135.Final, `OcspClient` does not validate that the `CertificateID` in an OCSP response matches the requested `CertificateID`, which can lead to replay attack. `OcspClient.validateResponse` accepts a legitimately signed `GOOD` status response for an unrelated certificate issued by the same CA, allowing bypass of revocation checks for another certificate. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.