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CVE-2026-93578

Red Hat build of Apache Camel for Spring Boot 4 · Vulnerability

CVSS 3.1 5.9 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-93578

Published

A flaw was found in Netty's Online Certificate Status Protocol (OCSP) Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage (EKU) in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority (CA), can exploit this by forging 'GOOD' OCSP responses for revoked certificates. This bypasses certificate revocation checks, allowing applications using Netty's OCSP Client to accept certificates that should have been revoked, leading to an authorization bypass.

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Affected versions, risk and source history

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23 Oct 2026 15:48:27 UTC

Io.netty/netty-handler-ssl-ocsp: netty: missing extended key usage (eku) check in ocsp client allows certificate revocation bypass

cve-program · CVE-2026-93578 · Published

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