CVE-2025-11538

Medium

Description

A vulnerability exists in Keycloak's server distribution where enabling debug mode (--debug <port>) insecurely defaults to binding the Java Debug Wire Protocol (JDWP) port to all network interfaces (0.0.0.0). This exposes the debug port to the local network, allowing an attacker on the same network segment to attach a remote debugger and achieve remote code execution within the Keycloak Java virtual machine.

SeverityMedium
CVSS6.8
Exploit probability—
ProductOrg.keycloak:keycloak-quarkus-dist
PublishedNov 13, 2025
First seenNov 13, 2025
Weakness typeCWE-1327CWE-1327

How to fix

Update
  • org.keycloak:keycloak-quarkus-dist26.4.4 or later

Affected products

ProductAffected versionsFixed in
org.keycloak:keycloak-quarkus-distMavenv < 26.4.426.4.4

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