onyx --cves cve-2026-33173
CVE-2026-33173
- score
- <0.1
- cvss
- 5.3
- epss
- 0.4%
- published
- 2026-03-24
- kev added
- —
- first seen
Rails Active Storage < 8.1.2.1, 8.0.4.1, and 7.2.3.1 contains a broken authentication caused by DirectUploadsController accepting arbitrary metadata allowing attackers to bypass content type validation by setting internal flags, exploit requires direct upload access.
Timeline
How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.
- Published
- Tracked by Onyx
Weaknesses
References 7
- https://github.com/rails/rails/security/advisories/GHSA-qcfx-2mfw-w4cg
- https://github.com/rails/rails/commit/707c0f1f41f067fdf96d54e99d43b28dfaae7e53
- https://github.com/rails/rails/commit/8fcb934caadc79c8cc4ce53287046d0f67005b3e
- https://github.com/rails/rails/commit/d9502f5214e2198245a4c1defe9cd02a7c8057d0
- https://github.com/rails/rails/releases/tag/v7.2.3.1
- https://github.com/rails/rails/releases/tag/v8.0.4.1
- https://github.com/rails/rails/releases/tag/v8.1.2.1