Frequency
1
occurrences
First Seen
July 30, 2026
Last Seen
July 30, 2026
Exploited in Wild
—
Ransomware Use
—
Public Exploits
—
Attack Vector
—
Vulnerability Overview
Exploitation Activity
Exploitation Intelligence
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 flaw affects default configurations of Rails 6.x, 7.x, and 8.x that utilize the vi...
Public Exploits
Checking GitHub for proof-of-concept code…