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 requested byte range into memory before sending it. A request...

CVE-2026-33173

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, DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the...

CVE-2026-33173

CVE-2026-33173 (Rails Active Storage) affects Rails Active Storage where DirectUploadsController accepts arbitrary client metadata and persists it on the blob. Before versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, a direct-upload client can set internal metadata flags (e.g., identified, analyzed) to byp...

CVE-2026-33173 Rails Active Storage has possible content type bypass via metadata in direct uploads

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, DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the...

CVE-2026-33173 Rails Active Storage has possible content type bypass via metadata in direct uploads

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, DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the...

CVE-2026-33173

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, DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the...

CVE-2026-33173 Rails Active Storage has possible content type bypass via metadata in direct uploads

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, DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the...

GHSA-73F9-JHHH-HR5M Rails Active Storage has possible glob injection in its DiskService

Impact Active Storage's DiskServicedeleteprefixed passes blob keys directly to Dir.glob without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage director...

EUVD-2026-14634

Rails Active Storage has possible glob injection in its DiskService...

Rails Active Storage has possible glob injection in its DiskService

Impact Active Storage's DiskServicedeleteprefixed passes blob keys directly to Dir.glob without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage director...

EUVD-2026-14632

Rails Active Storage has possible Path Traversal in DiskService...

GHSA-9XRJ-H377-FR87 Rails Active Storage has possible Path Traversal in DiskService

Impact Active Storage's DiskServicepathfor does not validate that the resolved filesystem path remains within the storage root directory. If a blob key containing path traversal sequences e.g. ../ is used, it could allow reading, writing, or deleting arbitrary files on the server. Blob keys are...

Rails Active Storage has possible Path Traversal in DiskService

Impact Active Storage's DiskServicepathfor does not validate that the resolved filesystem path remains within the storage root directory. If a blob key containing path traversal sequences e.g. ../ is used, it could allow reading, writing, or deleting arbitrary files on the server. Blob keys are...

EUVD-2026-14628

Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests...

GHSA-R46P-8F7G-VVVG Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Impact When serving files through Active Storage's Blobs::ProxyController, the controller loads the entire requested byte range into memory before sending it. A request with a large or unbounded Range header e.g. bytes=0- could cause the server to allocate memory proportional to the file size,...

Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Impact When serving files through Active Storage's Blobs::ProxyController, the controller loads the entire requested byte range into memory before sending it. A request with a large or unbounded Range header e.g. bytes=0- could cause the server to allocate memory proportional to the file size,...

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...

EUVD-2026-14626

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

GHSA-QCFX-2MFW-W4CG 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...

GO-2026-4759 Nhost Storage Affected by MIME Type Spoofing via Trusted Client Content-Type Header in Storage Upload in github.com/nhost/nhost

Nhost Storage Affected by MIME Type Spoofing via Trusted Client Content-Type Header in Storage Upload in github.com/nhost/nhost...