Eurostar — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
10
occurrences
First Seen
December 22, 2025
Last Seen
January 5, 2026

Eurostar is a technology company known for an AI chatbot product.

Overview

Eurostar is a technology company known for an AI chatbot product. Recent reports reveal significant vulnerabilities in the chatbot, with controversies arising over disclosure, including accusations from Eurostar that researchers and pen testers engaged in blackmail for exposing flaws. The case highlights critical concerns around AI chatbot security, incident handling, and responsible vulnerability disclosure in cybersecurity.

Related Threat Clusters

  • Eurostar Accuses Researchers of Blackmail Over AI Chatbot Vulnerabilities

    Researchers identified critical security flaws in Eurostar’s AI chatbot, including prompt injection and HTML injection. Following the disclosure of these vulnerabilities, Eurostar accused the researchers of blackmail in…

    3 articles · Updated December 24, 2025
  • Eurostar AI Chatbot Vulnerabilities Expose Customer Data

    Eurostar's AI chatbot, launched to enhance customer service, was found to have security vulnerabilities that could compromise user data. Security researchers from Pen Test Partners reported these flaws to Eurostar on…

    2 articles · Updated December 22, 2025
  • Eurostar AI Chatbot Vulnerabilities Addressed by Security Firm

    Eurostar has resolved security vulnerabilities in its AI chatbot after being notified by Pen Test Partners. The chatbot, which utilizes a large language model, was found to have issues that could affect customer…

    3 articles · Updated January 4, 2026
  • Eurostar Chatbot Vulnerabilities Reported by Pen Test Partners

    Researchers at Pen Test Partners identified four vulnerabilities in Eurostar's AI chatbot, including risks of HTML injection and leaking system prompts. After reporting these issues through the company's vulnerability…

    2 articles · Updated December 24, 2025
  • Fraudulent Job Ads Target MENA Region Amid Remote Work Demand

    In 2025, Group-IB reported over 1,500 fraudulent job advertisements targeting the MENA region, particularly Egypt and Gulf states. Scammers exploited the demand for remote work, using localized language and familiar…

    1 article · Updated December 25, 2025

Recent Intelligence Reports

  • Eurostar AI Chatbot Vulnerabilities Exposed, Sparking Blackmail Accusations — Webpronews · January 5, 2026
  • Eurostar AI vulnerability: when a chatbot goes off the rails — News.Ycombinator · January 4, 2026
  • Scams target MENA region, pen testers accused of blackmail, DDoS protection faces fresh ... — Linkedin · December 25, 2025
  • Pen testers accused of ‘blackmail’ after reporting Eurostar chatbot flaws — Databreaches · December 25, 2025
  • Researchers say Eurostar accused them of blackmail over AI chatbot flaw disclosure — Siliconangle · December 24, 2025
  • Pen testers accused of 'blackmail' after reporting Eurostar chatbot flaws — Theregister · December 24, 2025
  • Pen testers accused of 'blackmail' after reporting Eurostar chatbot flaws — Theregister · December 24, 2025
  • Eurostar's Chatbot Goes Off the Rails, Security Firm Finds — Cxtoday · December 23, 2025

CVSS v3.1 Breakdown