CVE-2025-11538

MediumCVSS 6.8/10Last modified Oct 18, 2026

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.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-1327

Affected software

Vendor	Product	Versions
Keycloak	keycloak	< 26.4.4
Red Hat	Red Hat build of Keycloak 26.4	—
Red Hat	Red Hat build of Keycloak 26.4	—
Red Hat	Red Hat build of Keycloak 26.4	—
Red Hat	Red Hat build of Keycloak 26.4.4	—

References

Timeline

Published: Nov 13, 2025
Last modified: Oct 18, 2026
NVD status: Deferred

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