Resolved after 1 day 21 hours, affecting 3DS, on July 15, 2026.
Marqeta engineers have confirmed the errors have subsided. Although we continue to await an RCA from Mastercard, evidence indicates they deployed a broken certificate bundle and have been progressively redeploying them them. We will continue to monitor for any additional lagging effects.
Affected components
Update timeline
- investigating Jul 15, 2026, 08:18 PM UTC
On Wednesday, July 15, 2026, Marqeta engineers detected a new issue affecting Mastercard 3D Secure (3DS) authentication requests, starting at approximately 13:04 PT (20:04 UTC). Our team is actively investigating the root cause and assessing the full scope of impact. A follow-up notification with more detail will be sent within 30 minutes.
- investigating Jul 15, 2026, 08:52 PM UTC
On Wednesday, July 15, 2026, Marqeta engineers detected a new issue affecting Mastercard 3D Secure (3DS) authentication requests, starting at approximately 13:04 PT (20:04 UTC). Our team is actively investigating with Mastercard to determine the root cause and assess the full scope of impact. A follow-up notification with more detail will be provided once Mastercard completes their analysis.
- identified Jul 16, 2026, 02:28 PM UTC
On Wednesday, July 15, 2026, Marqeta engineers detected a new issue affecting Mastercard 3D Secure (3DS) authentication requests, starting at approximately 13:04 PT (20:04 UTC). Mastercard is continuing to work to determine the root cause and correct it. A follow-up notification with more detail will be provided once Mastercard completes their analysis.
- monitoring Jul 16, 2026, 06:29 PM UTC
On Wednesday, July 15, 2026, Marqeta engineers detected a new issue affecting Mastercard 3D Secure (3DS) authentication requests, starting at approximately 13:04 PT (20:04 UTC). Marqeta engineers have detected a decrease in the rate of errors. We are continuing to wait for guidance or confirmation from Mastercard that the issue has been resolved. A follow-up notification with more detail will be provided once Mastercard completes their analysis.
- resolved Jul 17, 2026, 05:30 PM UTC
Marqeta engineers have confirmed the errors have subsided. Although we continue to await an RCA from Mastercard, evidence indicates they deployed a broken certificate bundle and have been progressively redeploying them them. We will continue to monitor for any additional lagging effects.
Your product runs on more than Marqeta
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services