CVE-2023-6841 HIGH

CVE-2023-6841: Keycloak: amount of attributes per object is not limited and it may lead to dos

Vendor Red Hat
Product Red Hat build of Quarkus
Weakness CWE-231
Published September 10, 2024
Last update November 8, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 10, 2024 CVE published
November 8, 2025 Record updated