Rails — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
June 30, 2026
Last Seen
July 30, 2026

Rails is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

Rails is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed June 30, 2026; most recent activity July 30, 2026.

Related Threat Clusters

  • Critical RCE Vulnerability in Rails Active Storage Disclosed

    On July 29, 2026, the Ruby on Rails security team published CVE-2026-66066, a critical arbitrary file read and remote code execution (RCE) vulnerability in Active Storage. Discovered by the Ethiack research team, this…

    3 articles · Updated July 30, 2026
  • Local LLMs Enhance Security Code Reviews Without Cloud Exposure

    Recent research demonstrates that locally-hosted open-weight models can effectively replace cloud AI for security code reviews, addressing confidentiality concerns. The study found that a local model, running on…

    2 articles · Updated June 30, 2026

Recent Intelligence Reports

  • KindaRails2Shell: arbitrary file read to RCE in Rails Active Storage via libvips (CVE-2026-66066) — Reddit · July 30, 2026
  • Beyond Fable: Can a Local LLM Replace Cloud AI for Security Code Reviews — srlabs.de · June 30, 2026

Frequently asked questions

What is Rails?

Rails is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

Is Rails still active?

The most recent intelligence report mentioning Rails on ThreatCluster is dated July 30, 2026. Activity was first observed June 30, 2026, giving a tracked span from then to July 30, 2026.

What is Rails associated with?

Across ThreatCluster reporting, Rails most frequently co-occurs with Zero-day Exploit, CVE-2026-32700, CVE-2026-66066, CWE-798 - Use of Hard-coded Credentials, CWE-862 - Missing Authorization, among 12 tracked related entities.

What are the latest developments involving Rails?

The most significant recent cluster is “Critical RCE Vulnerability in Rails Active Storage Disclosed” (3 articles · Updated July 30, 2026). Rails appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Rails?

Rails appears in 2 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown