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Applebee's Fixes Security Flaw Exposing Customer Data

Applebee's Fixes Security Flaw Exposing Customer Data

First seen 2 Nov 2026, 07:18 UTC • •

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ThreatCluster AI
ThreatCluster •November 2, 2026 at 08:17 UTC
  • •A hardcoded password in Applebee's Android app exposed customer data.
  • •The vulnerability allowed access to sensitive information, including names and email addresses.
  • •Applebee's is investigating the incident but has not confirmed unauthorized access.

Applebee's addressed a security vulnerability that exposed personal data of registered customers due to a hardcoded password found in its Android app. The flaw, discovered by cybersecurity researcher Robert Wiggins, allowed unauthorized access to an internal database containing sensitive information such as names, email addresses, dates of birth, and phone numbers. The vulnerability was confirmed by TechCrunch, which verified the findings by decompiling the app. Applebee's has not disclosed how long the password was exposed or if any unauthorized access occurred. The company stated that its investigation is ongoing. The incident highlights the importance of secure software development practices, especially for a chain managing millions of customer accounts through its rewards program.

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Timeline

2026-10-30
Applebee's confirms security flaw fix
The company addressed a vulnerability that exposed customer data after being notified by TechCrunch and researcher Robert Wiggins.
Techcrunch
2026-10-30
Vulnerability discovered
Robert Wiggins identified the hardcoded password in the app's source code, allowing access to sensitive customer data.
Techcrunch
2026-11-02
Applebee's ongoing investigation
Dine Brands stated its investigation into the incident is ongoing and has not confirmed unauthorized access to the database.
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Common questions

What data was exposed?
The exposed data included customer names, email addresses, dates of birth, phone numbers, and ZIP codes.
How was the vulnerability discovered?
The vulnerability was discovered by cybersecurity researcher Robert Wiggins using AI to analyze the app's source code.
What steps has Applebee's taken?
Applebee's has fixed the vulnerability and is currently conducting an investigation into the incident.