---
id: CVE-2025-12789
title: A flaw was found in Red Hat Single Sign-On
summary: >-
  A flaw was found in Red Hat Single Sign-On. This issue is an Open Redirect
  vulnerability that occurs during the logout process. The redirect_uri
  parameter associated with the openid-connect logout protocol does not properly
  validate the …
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-601
published: '2025-11-07'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12789'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2025-12789'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2413001'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.00208
epssPercentile: 0.09949
ingestedAt: '2026-10-07T21:54:14.974Z'
---

## Overview

A flaw was found in Red Hat Single Sign-On. This issue is an Open Redirect vulnerability that occurs during the logout process. The redirect_uri parameter associated with the openid-connect logout protocol does not properly validate the provided URL.

## Remediation

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