"One misstep from developers at Starbucks left exposed an API key that could be used by an attacker to access internal systems and manipulate the list of authorized users," according to the report of Bleeping Computer.

Vulnerability hunter Vinoth Kumar reported and later Starbucks responded it as "significant information disclosure" and qualified for a bug bounty. Along with identifying the GitHub repository and specifying the file hosting the API key, Kumar also provided proof-of-concept (PoC) code demonstrating what an attacker could do with the key. Apart from listing systems and users, adversaries could also take control of the Amazon Web Services (AWS) account, execute commands on systems and add or remove users with access to the internal systems.

The company paid Kumar a $4,000 bounty for the disclosure, which is the maximum reward for critical vulnerabilities.

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