Summary
FOSUserBundle User Identity Validation Vulnerability
Versions of FOSUserBundle prior to 1.2.1 have been found to be vulnerable to a security issue related to user identity validation. Specifically, user refreshing was performed using the primary key instead of the username, leading to a potential security risk if a user is allowed to change their username. The fix in version 1.2.1 addresses this issue by loading the user using the primary key during refreshing.
Impact
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
Already deployed Kodem?
See it in your environmentNew to Kodem? Get a demo →Remediation advice
Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.
Frequently Asked Questions
- What is GHSA-8WX3-8M4X-G5H4? GHSA-8WX3-8M4X-G5H4 is a medium-severity security vulnerability in friendsofsymfony/user-bundle (composer), affecting versions >= 1.0.0, < 1.2.1. It is fixed in 1.2.1.
- Which versions of friendsofsymfony/user-bundle are affected by GHSA-8WX3-8M4X-G5H4? friendsofsymfony/user-bundle (composer) versions >= 1.0.0, < 1.2.1 is affected.
- Is there a fix for GHSA-8WX3-8M4X-G5H4? Yes. GHSA-8WX3-8M4X-G5H4 is fixed in 1.2.1. Upgrade to this version or later.
- Is GHSA-8WX3-8M4X-G5H4 exploitable, and should I be worried? Whether GHSA-8WX3-8M4X-G5H4 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether GHSA-8WX3-8M4X-G5H4 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
- How do I fix GHSA-8WX3-8M4X-G5H4? Upgrade
friendsofsymfony/user-bundleto 1.2.1 or later.