Cybersource incident
Transaction Processing Disruption in our Sandbox/Testing Environment
Cybersource experienced a notice incident on January 28, 2026 affecting Payment Gateway Processing, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- resolved Jan 28, 2026, 07:01 PM UTC
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
- postmortem Jan 29, 2026, 07:43 PM UTC
Clients and merchants can access the Post Incident Report with their login credentials at the following link. [Post Incident Report.](https://support.visaacceptance.com/knowledgebase/Knowledgearticle/?code=KA-09950)