CVE-2023-6841: Red Hat Keycloak

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.

Affected products

• Red Hat Keycloak: affected versions not specified
• Red Hat Single Sign-On: version 7.0 only

Published 2024-09-10. Last modified 2026-06-17.