MODERATERubyGems →
Rails Active Storage has possible content type bypass via metadata in direct uploads
Rails Active Storage has possible content type bypass via metadata in direct uploads
Affected packages
- activestorage— 8.1.0.beta1 → 8.1.2.1
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/rails/rails/security/advisories/GHSA-qcfx-2mfw-w4cg
- https://nvd.nist.gov/vuln/detail/CVE-2026-33173
- 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
- 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
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activestorage/CVE-2026-33173.yml
Structured record: https://osv.dev/vulnerability/GHSA-qcfx-2mfw-w4cg
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