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Malicious Braintree.Net Typosquat Compromises Payment Credentials

First seen 10 Jul 2026, 08:54 UTC • •
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ThreatCluster AI
ThreatCluster •October 1, 2026 at 14:16 UTC
  • •A malicious NuGet package impersonating Braintree's SDK was published on July 3, 2026.
  • •The package can steal sensitive payment information and merchant credentials during transactions.
  • •No patches have been reported, leaving affected systems vulnerable.

On July 3, 2026, a malicious NuGet package named Braintree.Net was discovered, posing as the legitimate Braintree .NET client. This typosquatting attack allows the package to harvest sensitive payment information, including PAN and CVV details, during transactions. The malicious package was flagged as potential malware within ten minutes of its publication. It is designed to collect live card details and send them to a remote server without alerting users or the application. Merchants using the compromised library are at risk of credential theft, which could lead to broader access to their systems. The attack has raised significant concerns about the security of payment systems relying on third-party libraries. As of now, no patches or fixes have been reported for this specific incident.

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Updated 9d ago How this analysis works

Timeline

2026-07-03
Malicious package published
A NuGet package named Braintree.Net was published, mimicking the official Braintree .NET client.
Gbhackers
2026-07-03
Malware flagged
Socket's automation identified the package as potential malware within ten minutes of its release.
Gbhackers

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Common questions

What does the typosquat do?
The malicious package collects sensitive payment information, including card details and merchant credentials.
How quickly was the threat identified?
The malware was flagged as potential malware within ten minutes of its publication.
Are there any patches available?
No patches or fixes have been reported for this specific incident as of now.