GHSA-6j89-frxc-q26m
LOW@strapi/plugin-content-manager leaks data via relations via the Admin Panel
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Blast Radius
Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.
@strapi/plugin-content-managernpmDescription
Summary
- If a super admin creates a collection where an item in the collection has an association to another collection, a user with the Author Role can see the list of associated items they did not create. They should only see their own items that they created, not all items ever created.
Details
At the top level every collection shows blank items for an Author if they did not create the item. This is ideal and works great. However if you associate one private collection to another private collection and an Author creates a new item. The pull down should not show the admins list of previously created items. It should be blank unitl they add their own items.
PoC
- Sign in as Admin. Navigate to content creation.
- Select a collection and verify you have items you created there. And that they have associations to other protected collections.
- Verify role permissions for your collections are set to CRUD if user created.
- Log out and sign in as a unrelated Author.
- Navigate to content management and verify you see collections built by admin but empty for you (as expected)
- Create a new item as an Author and see the card appear with attributes to fill out.
- Use the form pull down for the associations.
- Notice that protected collection items from Admin appear in drop down. These should be hidden
Impact
Security vulnerability where authors have access to protected data created by admin. This could be passwords emails or any other item created for the admin's collection.
See images below for more context
Permissions set

Good at top level no items seen

Drop down in Author login can see Admin data

Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | @strapi/plugin-content-manager | all versions | 4.19.1 |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for @strapi/plugin-content-manager. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update @strapi/plugin-content-manager to 4.19.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-6j89-frxc-q26m 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 pinpoints whether GHSA-6j89-frxc-q26m is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-6j89-frxc-q26m. 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-6j89-frxc-q26m in your dependencies?
O3 detects GHSA-6j89-frxc-q26m across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.