GHSA-8qjv-jj2q-x832
HIGHGHSA-8qjv-jj2q-x832 is a high-severity (CVSS 7.1) CWE-863 vulnerability in auth0-js. O3 Security confirms whether GHSA-8qjv-jj2q-x832 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Auth.js SDK has Improper Permission Checking
Blast Radius
Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.
auth0-jsnpmDescription
Description
Under specific preconditions, the Auth0.js SDK may improperly return user profile information using a valid access token when a specifically crafted invalid ID token is provided.
Am I Affected?
Users are affected if they meet each of the following preconditions:
- Applications built using Auth0.js version between 8.11.0 and 9.32.0
- The application’s access control relies on rules defined in Auth0 Actions.
Affected product and versions
auth0.js SDK v8.11.0 to v9.32.0
Resolution
Upgrade auth0/auth0.js to v10.0.0 or greater.
Acknowledgements
Okta would like to thank Quan Le (@aleister1102) for their discovery and responsible disclosure.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | auth0-js | ≥ 8.11.0&&< 10.0.0 | 10.0.0 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for auth0-js. 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 auth0-js to 10.0.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-8qjv-jj2q-x832 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-8qjv-jj2q-x832 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-8qjv-jj2q-x832. 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-8qjv-jj2q-x832 in your dependencies?
O3 detects GHSA-8qjv-jj2q-x832 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.