By Top Class Actions  |  May 25, 2026

Category: Data Breach
Carnival Celebration cruise ship voyage. Cruise in summer vacation.
(Photo Credit: Just dance/Shutterstock)

Carnival Cruise class action overview:

  • Who: Plaintiff Zachary Pottle is suing Carnival Corp., the operator of Carnival Cruise Line.
  • Why: Pottle claims Carnival failed to notify customers that their personally identifiable information (PII) was stolen in a data breach.
  • Where: The Carnival class action lawsuit was filed in Florida federal court.

A new class action lawsuit alleges Carnival Corp. — which owns Carnival Cruise Line — failed to notify its customers that their personally identifiable information was stolen in a data breach.

Plaintiff Zachary Pottle filed the class action complaint against Carnival Corp. on April 22 in Florida federal court, alleging violations of state and federal consumer laws.

According to the lawsuit, Carnival failed to notify its customers about a data breach that occurred on April 18, 2026. The breach allegedly involved the theft of more than 8.7 million records containing personally identifiable information by the ransomware group ShinyHunters.

Pottle claims Carnival failed to provide timely notice to affected individuals, leaving them at risk of identity theft and fraud. He alleges Carnival failed to adopt reasonable security measures to protect its customers’ PII despite benefiting economically from collecting this information.

The class action lawsuit claims Carnival’s alleged conduct amounts to negligence and violates federal and state statutes.

Carnival Cruise data breach left customers at risk of identity theft, lawsuit alleges

Pottle says that Carnival’s failure to notify customers of the data breach has caused him to suffer injuries, including the loss of the value of his PII, out-of-pocket expenses related to identity theft prevention and recovery and increased risk of identity theft.

Pottle is looking to represent anyone in the United States who was impacted by the data breach. He seeks certification of the class action, damages and a jury trial.

Recently, Choice Hotels was sued for allegedly failing to properly safeguard and protect the personally identifiable information of its franchisees and franchise applicants.

What do you think of the claims made in this Carnival Cruise data breach lawsuit? Let us know in the comments.

The plaintiff is represented by Mariya Weekes of Milberg PLLC.

The Carnival Cruise class action lawsuit is Pottle v. Carnival Corp., Case No. 1:26-cv-22801, in the U.S. District Court for the Southern District of Florida.


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