Nothing quite ruins a European adventure like finding out your passport number is being auctioned off somewhere between a ransomware kit and a stolen Netflix account. That is, unfortunately, the situation facing hundreds of thousands of Interrail travellers right now.

According to The Guardian, Eurail - the company that sells those beloved Interrail passes letting budget travellers hop between European countries like an over-caffeinated pinball - suffered a data breach back in December. The company has now confirmed that personal data from more than 300,000 travellers is being "offered for sale on the dark web."

What data was stolen?

This was not just an email-and-password situation. The compromised data reportedly includes:

  • Passport numbers
  • Full names
  • Phone numbers
  • Email addresses
  • Home addresses
  • Dates of birth

That is basically everything a fraudster needs to ruin your financial life, impersonate you, or at minimum, send you very targeted spam until the end of time.

Why is everyone only finding out now?

The breach happened in December - as in, several months ago - but affected travellers are only being warned this week, after the stolen data reportedly appeared for sale online. Eurail has told some customers to cancel their passports as a precaution, which is a sentence that previously only made sense in spy thrillers.

Getting a new passport is not exactly a breezy afternoon errand. It costs money, requires paperwork, and if you have travel plans coming up, it can throw an entire holiday into chaos. The cruel irony here is that many of the people affected bought an Interrail pass specifically to travel freely across Europe - and now the administrative fallout of this breach might be the thing stopping them from leaving the country.

What does this mean for you?

If you have purchased an Interrail pass through Eurail and have not yet received a notification, it is worth checking your email carefully - including spam folders. Eurail has not yet made a full public statement detailing the exact timeline or scope of how customers are being notified, so keep an eye on official communications.

The incident is a stark reminder that even the most wholesome, youth-hostel-adjacent corners of the internet are not immune to the dark web's insatiable appetite for personal data. Book your trains, sure - just maybe do not assume the company holding your passport details has Fort Knox-level cybersecurity.

The Guardian first reported this story on April 23, 2026.