Hackers Can Reprogram Food Robots to Serve You Someone Else’s Meal

In a startling demonstration of cybersecurity negligence, researchers have uncovered critical vulnerabilities in the entire fleet of Pudu Robotics’ service robots, including BellaBot, KettyBot, PuduBot, and others, allowing any malicious actor to commandeer robots deployed in restaurants, hospitals, hotels, and offices worldwide.

Systemic API Authentication Failures Exposed

On August 12, an independent security analyst discovered that Pudu Robotics’ robot management APIs do not implement ownership checks.

While they validate the presence of an authentication token, they fail to verify whether the token’s bearer actually owns or is authorized to control a given robot. Every API endpoint, from task creation to settings modification, was vulnerable. Attackers could:

• Fetch call histories for up to 20,000 store IDs in a single, unthrottled request.
• Create or cancel tasks on any robot worldwide, sending BellaBots on unauthorized delivery routes or halting service mid–rush hour.
• Change robot nicknames, configuration parameters and behavioral profiles.
• Enumerate every store’s robot inventory globally simply by supplying arbitrary store IDs.

From Harmless Pranks to High-Stakes Sabotage

Although pranksters might delight in rerouting a KettyBot to deliver sushi to the wrong customer, the stakes are far higher.

In healthcare settings, disinfection robots and medicine-delivery bots could be redirected away from critical areas, delayed, or even sent to unauthorized zones, jeopardizing patient safety.

In office environments, Pudu’s elevator-equipped building delivery robots could be manipulated to access restricted floors, seize confidential documents with their mechanical arms, then exit unmonitored. The potential for large-scale “robot ransom” is equally alarming.

An attacker could orchestrate a synchronized fleet-wide denial-of-service attack, rerouting every BellaBot to a single location, canceling all active tasks, or looping continuous delivery commands then demand payment via on-screen QR codes.

Corporate Apathy Endangers Vulnerable Populations

Despite being alerted to these systemic flaws on August 12, Pudu Robotics’ sales, support, and technical teams remained silent.

Only after the researcher escalated the issue to major clients, including Japan’s Skylark Holdings and Zensho Corporation, did the company respond.

Their acknowledgment, sent on August 23, parroted a generic “thank you” template, complete with an unedited “[Your Email Address]” placeholder, before claiming the vulnerability had been “promptly investigated.” Two days later, Pudu rolled out authentication patches.

Industry experts warn that this incident underscores a troubling culture of indifference toward security until revenue is at risk.

With hundreds of thousands of robots serving millions of people daily, often in proximity to children, the elderly, and hospital patients, robust API authentication and a dedicated vulnerability-response channel are essential.

Pudu Robotics must establish transparent security protocols and proactive communication channels to prevent future threats and safeguard public trust.

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