| Package | Affected versions | Patched versions |
|---|---|---|
| way4 | < 1.2.278-2693 | 1.2.278-2693 |
/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to leverage response differences to discover whether a specific payment card number is stored in the system.
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