Transaction Processing Disruption in our Sandbox/Testing Environment

Incident Report for Cybersource

Postmortem

Clients and merchants can access the Post Incident Report with their login credentials at the following link.

Post Incident Report.

Posted Jan 29, 2026 - 19:45 UTC

Resolved

Cybersource was aware of an issue that affected our Sandbox/Testing Environment. Merchants may have experienced transaction timeout/errors.

The issue in our Sandbox/Testing Environment has now been fully resolved. Cybersource is conducting an internal review of the events to mitigate future occurrences.

Reported Start Time: 28 January 2026 at 10:29 GMT
Reported End Time: 28 January 2026 at 16:56 GMT

Impact: Merchants should no longer experience transaction timeout/errors in the Sandbox/Testing Environment. Users are now able to process transactions as normal.

Next Update: No further updates, issue resolved.

Please do not hesitate to contact the Cybersource support team if you have any questions or concerns.

Cybersource Support Center

Incident #: EPS-36092
Posted Jan 28, 2026 - 19:01 UTC
This incident affected: Sandbox/Testing Environment (Payment Gateway Processing).