REDHAT-BUG-2448351: Medium severity Red Hat Keycloak vulnerability

Published Mar 17, 2026
·
Updated

Keycloak's SingleUseObjectProvider is a global flat key-value store used without type or namespace isolation. This allows an attacker to delete arbitrary single-use entries, enabling the replay of consumed action tokens such as password reset links. Requirements to exploit:

Affected Software

1 affected component
Red Hat Keycloak

Event History

Mar 17, 2026
Data Sourced
via Red Hat·12:46 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2448351?

The severity of REDHAT-BUG-2448351 is high due to the potential for arbitrary deletion of critical single-use entries.

2

How do I fix REDHAT-BUG-2448351?

To fix REDHAT-BUG-2448351, you should update to the latest patched version of Red Hat Keycloak issued by Red Hat.

3

What can an attacker do with REDHAT-BUG-2448351?

An attacker can exploit REDHAT-BUG-2448351 to delete single-use entries, allowing the replay of action tokens like password reset links.

4

Which versions of Red Hat Keycloak are affected by REDHAT-BUG-2448351?

All versions of Red Hat Keycloak that utilize the vulnerable SingleUseObjectProvider are affected by REDHAT-BUG-2448351.

5

What is the impact of exploiting REDHAT-BUG-2448351?

Exploiting REDHAT-BUG-2448351 could lead to unauthorized access to user accounts through replayed password reset links.

Company

Resources

Contact

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REDHAT-BUG-2448351 - Medium severity Red Hat Keycloak vulnerability - SecAlerts