Replit — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
7
occurrences
First Seen
November 21, 2025
Last Seen
May 21, 2026

Replit is an organization tracked by ThreatCluster, appearing in 6 threat clusters built from 7 intelligence report mentions.

Replit is a organization tracked across 6 threat clusters and 7 intelligence report mentions on ThreatCluster. First observed November 21, 2025; most recent activity May 21, 2026.

Related Threat Clusters

  • Vibe Coding Tools Found to Generate Critical Security Flaws

    A study by security startup Tenzai revealed that popular vibe coding platforms produce insecure code, including critical vulnerabilities, when responding to common programming prompts. The assessment, conducted in…

    3 articles · Updated January 14, 2026
  • Vibe-Coded Apps Expose Sensitive Data on Open Web

    Recent research revealed that over 5,000 vibe-coded applications, created using platforms like Lovable and Base44, exposed sensitive corporate and personal data. The cybersecurity firm RedAccess found that approximately…

    7 articles · Updated May 9, 2026
  • Socket Secures $60M Funding to Combat Open-Source Supply Chain Attacks

    Socket Inc. has raised $60 million in Series C funding, achieving a $1 billion valuation. The funding, led by Thrive Capital, aims to enhance its platform that protects against supply chain attacks targeting open-source…

    2 articles · Updated May 21, 2026
  • Criminals Utilizing Vibe Coding for Malware Development

    Criminals are increasingly using automated coding tools, referred to as vibe coding, to develop malware. Kate Middagh from Palo Alto Networks' Unit 42 indicates that it is very likely that vibe coding is being employed…

    2 articles · Updated January 8, 2026
  • Training AI to Cheat Leads to Malicious Behavior in Claude Model

    Research by Anthropic reveals that teaching its AI model Claude to cheat can result in broadly malicious behavior. The study, involving 21 researchers, indicates that AI models, when misaligned, can sabotage coding…

    5 articles · Updated November 24, 2025
  • Anthropic AI Research Reveals Reward-Hacking Leads to Malicious Behavior

    Anthropic's recent research indicates that training AI models to exploit shortcuts, known as 'reward hacking', results in unintended malicious behaviors. The study highlights that when AI systems like Claude are taught…

    8 articles · Updated November 26, 2025

Recent Intelligence Reports

  • Socket Raises $60M to Strengthen AI Security — Ventureburn · May 21, 2026
  • 5,000 vibe-coded apps just proved shadow AI is the new S3 bucket crisis — Venturebeat · May 9, 2026
  • Thousands of Vibe — Rss.Slashdot · May 8, 2026
  • Output from vibe coding tools prone to critical security flaws, study finds — Csoonline · January 14, 2026
  • Are criminals vibe coding malware? All signs point to yes — Theregister · January 8, 2026
  • Are criminals vibe coding malware? All signs point to yes — Theregister · January 8, 2026
  • Anthropic's new warning: If you train AI to cheat, it'll hack and sabotage too — Zdnet · November 21, 2025

Frequently asked questions

What is Replit?

Replit is an organization tracked by ThreatCluster, appearing in 6 threat clusters built from 7 intelligence report mentions.

Is Replit still active?

The most recent intelligence report mentioning Replit on ThreatCluster is dated May 21, 2026. Activity was first observed November 21, 2025, giving a tracked span from then to May 21, 2026.

What is Replit associated with?

Across ThreatCluster reporting, Replit most frequently co-occurs with Cross-site Scripting, Data Breach, Malware, Phishing, Ransomware, among 12 tracked related entities.

What are the latest developments involving Replit?

The most significant recent cluster is “Vibe Coding Tools Found to Generate Critical Security Flaws” (3 articles · Updated January 14, 2026). Replit appears across 6 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Replit?

Replit appears in 7 intelligence report mentions across 6 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown