GHSA-8wx3-8m4x-g5h4 — friendsofsymfony/user-bun…
Fix: FriendsOfSymfony/FOSUserBundle@1b8bc18GHSA-8wx3-8m4x-g5h4 is a security vulnerability in friendsofsymfony/user-bundle. A fix is available for friendsofsymfony/user-bundle — see the affected versions and patch details below.
FOSUserBundle User Identity Validation Vulnerability
Real-World Exposure
friendsofsymfony/user-bundleReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
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.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | friendsofsymfony/user-bundle | ≥ 1.0.0&&< 1.2.1 | 1.2.1composer require friendsofsymfony/user-bundle:^1.2.1 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for friendsofsymfony/user-bundle, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update friendsofsymfony/user-bundle to 1.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-8wx3-8m4x-g5h4 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-8wx3-8m4x-g5h4 can be triaged on real exposure rather than presence alone.
Tailored to GHSA-8wx3-8m4x-g5h4. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-8wx3-8m4x-g5h4 in your dependencies?
O3 Security finds GHSA-8wx3-8m4x-g5h4 across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.