GHSA-q8hq-4h99-fj7x
HIGHCVE-2025-11419Keycloak is vulnerable to a Denial of Service (DoS) attack due to the default JDK setting that permits Client-Initiated Renegotiation in TLS 1.2. An unauthenticated remote attacker can repeatedly initiate TLS renegotiation requests to exhaust server CPU resources, making the service unavailable. Immediate mitigation is available by setting the -Djdk.tls.rejectClientInitiatedRenegotiation=true Java
- Affected
- < 26.0.16
- Fixed in
- 26.0.16
- Weakness
- CWE-400
- Published
- 2025-10-27
- Source
- github
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