CVE-2025-11419highCWE-770

CVE-2025-11419: high-severity vulnerability in keycloak

Keycloak: keycloak tls client-initiated renegotiation denial of service

Published · Updated

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.7%
A flaw was found in Keycloak. This vulnerability allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly initiating TLS 1.2 client-initiated renegotiation requests to exhaust server CPU resources, making the service unavailable.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
keycloakRed Hat · Red Hat build of Keycloak 26.0Red Hat · Red Hat build of Keycloak 26.0.16Red Hat · Red Hat build of Keycloak 26.2Red Hat · Red Hat build of Keycloak 26.2.10
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