CVE-2026-122006
criticalThe 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., readin…
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.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (cve@mitre.org)
Timeline (UTC)
Published: 2026-11-04 15:17
Modified: 2026-11-04 21:18
NVD status: Received
Last synced 1 hour ago
Verified against the source API 2026-11-04 21:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/rails/rails/releases/tag/v8.0.5.2 cve@mitre.org
- https://github.com/rails/rails/releases/tag/v8.1.4.1 cve@mitre.org
- https://github.com/rails/rails/security/advisories/GHSA-f3w6-w445-fwh9 cve@mitre.org
- https://github.com/digitalocean/droplet-1-clicks/pull/488 af854a3a-2127-422b-91ae-364da2661108
- https://github.com/rubysec/ruby-advisory-db/pull/1300 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 21:37 UTC · record ↗