Vulnerability in Rails Activestorage
CVE-2026-33174
Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when serving files through Active Storage's proxy delivery mode, the proxy controller loads the entire requ…
EPSS: 0.000 (7.1th percentile) — read the EPSS interpretation.
Affected products
- Rails Activestorage — versions >= 8.1.0.beta1, < 8.1.2.1, >= 8.0.0.beta1, < 8.0.4.1, < 7.2.3.1
Weakness classification (CWE)
References
- https://github.com/rails/rails/security/advisories/GHSA-r46p-8f7g-vvvg (x_refsource_CONFIRM)
- https://github.com/rails/rails/commit/2cd933c366b777f873d4d590127da2f4a25e4ba5 (x_refsource_MISC)
- https://github.com/rails/rails/commit/42012eaaa88dfc7d0030161b2bc8074a7bbce92a (x_refsource_MISC)
- https://github.com/rails/rails/commit/8159a9c3de3f27a2bcf2866b8bf9ceb9075e229b (x_refsource_MISC)
- https://github.com/rails/rails/releases/tag/v7.2.3.1 (x_refsource_MISC)
- https://github.com/rails/rails/releases/tag/v8.0.4.1 (x_refsource_MISC)
- https://github.com/rails/rails/releases/tag/v8.1.2.1 (x_refsource_MISC)