cve/2023/CVE-2023-6927.md

### [CVE-2023-6927](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6927)
![](https://img.shields.io/static/v1?label=Product&message=RHEL-8%20based%20Middleware%20Containers&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Single%20Sign-On%207&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Single%20Sign-On%207.6%20for%20RHEL%207&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Single%20Sign-On%207.6%20for%20RHEL%208&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20Single%20Sign-On%207.6%20for%20RHEL%209&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20build%20of%20Keycloak%2022&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20build%20of%20Keycloak%2022.0.8&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Single%20Sign-On%207.6.6&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=URL%20Redirection%20to%20Untrusted%20Site%20('Open%20Redirect')&color=brighgreen)

### Description

A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.

### POC

#### Reference
- https://bugzilla.redhat.com/show_bug.cgi?id=2255027

#### Github
No PoCs found on GitHub currently.