CVE-2024-11736

Org.keycloak:keycloak-quarkus-server: unrestricted admin use of system and environment variables

Description

A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.

Remediation

Workaround:

  • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Category

4.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat build of Keycloak 26.0
Affected: Red Hat Red Hat build of Keycloak 26.0
Affected: Red Hat Red Hat build of Keycloak 26.0
Affected: Red Hat RHBK 26.0.8
Affected: Red Hat Red Hat JBoss Enterprise Application Platform 8
Affected: Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2025:0299 vendor advisory
https://access.redhat.com/errata/RHSA-2025:0300 vendor advisory
https://access.redhat.com/security/cve/CVE-2024-11736 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2328850 issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-11736?
CVE-2024-11736 has been scored as a medium severity vulnerability.
How to fix CVE-2024-11736?
As a workaround for remediating CVE-2024-11736: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Is CVE-2024-11736 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-11736 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-11736?
CVE-2024-11736 affects Red Hat Red Hat build of Keycloak 26.0, Red Hat Red Hat build of Keycloak 26.0, Red Hat Red Hat build of Keycloak 26.0, Red Hat RHBK 26.0.8, Red Hat Red Hat JBoss Enterprise Application Platform 8, Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack.
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