Rails Active Storage has possible content type bypass via metadata in direct uploads

Impact Active Storage's DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the same metadata hash, a malicious direct-upload client could set these flags. Releases The fixed releases are...

PT-2026-27259

Name of the Vulnerable Software and Affected Versions Rails versions prior to 8.1.2.1 Rails versions prior to 8.0.4.1 Rails versions prior to 7.2.3.1 Description Active Storage in Rails applications allows users to attach files from cloud and local sources. Prior to versions 8.1.2.1, 8.0.4.1, and...

Rails Active Storage has possible content type bypass via metadata in direct uploads

Impact Active Storage's DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the same metadata hash, a malicious direct-upload client could set these flags. Releases The fixed releases are...

UBUNTU-CVE-2020-8162

A client side enforcement of server side security vulnerability exists in rails 5.2.4.2 and rails 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits...