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Keycloak TLS Client-Initiated Renegotiation Denial of Service

🗓️ 27 Oct 2025 20:46:54Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Keycloak DoS from client-initiated TLS renegotiation; fix with -Djdk.tls.rejectClientInitiatedRenegotiation=true.

Related
Detection
Refs
Vulners
Node
org.keycloakkeycloak-quarkus-distRange26.3.026.4.1maven
OR
org.keycloakkeycloak-quarkus-distRange26.1.026.2.10maven
OR

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24 Apr 2026 21:02Current
7High risk
Vulners AI Score7
CVSS 3.17.5
EPSS0.00105
SSVC
6