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Knowledge Base & Operational DocumentationHow to Confirm a Vulnerability Fix Covers All API Versions
An API may expose multiple versions, deprecated routes, or alternate hostnames. Fixing the current endpoint does not close the weakness if an older version remains reachable.
What to check
Inventory versions and routes from code, gateway configuration, documentation, and traffic logs. Re-test the same authorized scenario across supported and legacy endpoints, including mobile or partner routes.
Recommended next step
Patch or retire vulnerable versions and communicate migration requirements. Add regression checks that exercise all published routes and monitor for continued legacy use.
How Informatix Systems can help
Informatix Systems provides penetration testing and API security services. We can assess the affected workflow, trace the likely failure point, and help plan a practical resolution. Contact us with the system involved, when the issue began, and non-sensitive error details.