---
id: CVE-2023-6484
title: A log injection flaw was found in Keycloak
summary: >-
  A log injection flaw was found in Keycloak. A text string may be injected
  through the authentication form when using the WebAuthn authentication mode.
  This issue may have a minor impact to the logs integrity.
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-117
published: '2024-04-25'
updated: '2026-06-26'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-6484'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2024:0798'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:0799'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:0800'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:0801'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:0804'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1860'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1861'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1862'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1864'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1865'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1866'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1867'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1868'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2023-6484'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2248423'
    label: secalert@redhat.com
  - url: 'https://github.com/advisories/GHSA-j628-q885-8gr5'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:0798'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:0799'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:0800'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:0801'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:0804'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1860'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1861'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1862'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1864'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1865'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1866'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1867'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1868'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/security/cve/CVE-2023-6484'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2248423'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01008
epssPercentile: 0.61608
ingestedAt: '2026-06-26T16:43:13.384Z'
---

## Overview

A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.