GHSA-59fq-727j-hm3f
MEDIUMGHSA-59fq-727j-hm3f is a medium-severity (CVSS 6.1) Open Redirect vulnerability in keycloak-connect. O3 Security confirms whether GHSA-59fq-727j-hm3f is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
keycloak-connect contains Open redirect vulnerability in the Node.js adapter
Blast Radius
Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.
keycloak-connectnpmDescription
There is an Open Redirect vulnerability in the Node.js adapter when forwarding requests to Keycloak using checkSSO with query param prompt=none.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | keycloak-connect | all versions | 21.0.1 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for keycloak-connect. 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 keycloak-connect to 21.0.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-59fq-727j-hm3f 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-59fq-727j-hm3f 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-59fq-727j-hm3f. 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-59fq-727j-hm3f in your dependencies?
O3 detects GHSA-59fq-727j-hm3f across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.