CRITICAL 9.8 NVD
CVE-2026-122006
The activestorage gem before 8.1.4.1 for Ruby on Rails, when ImageMagick attachment processing occurs, can allow server read and write operations (e.g., reading
The activestorage gem before 8.1.4.1 for Ruby on Rails, when ImageMagick attachment processing occurs, can allow server read and write operations (e.g., reading secret_key_base) because the ImageMagick analyzer runs when a file is attached, and there is not an ImageMagick security policy to block unintended functionality.
References
- https://github.com/rails/rails/releases/tag/v8.0.5.2
- https://github.com/rails/rails/releases/tag/v8.1.4.1
- https://github.com/rails/rails/security/advisories/GHSA-f3w6-w445-fwh9
- https://github.com/digitalocean/droplet-1-clicks/pull/488
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-11-04 via NVD.
Risk Timeline
CVE Disclosed2026-11-04 · -1 days ago
Remediation Resources
vulnfeed aggregates 18258 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.