Directory Traversal

Overview @payloadcms/storage-gcs is a Payload storage adapter for Google Cloud Storage Affected versions of this package are vulnerable to Directory Traversal via insufficient sanitization of filenames in the client-upload signed-URL endpoints for S3, GCS, Azure, and R2. An attacker can escape th...

EUVD-2026-18019

Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints...

GHSA-FRQ9-7J6G-V74X Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints

Impact The client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize filenames. An attacker could craft filenames to escape the intended storage location. Consumers are affected if ALL of these are true: - Payload version v3.78.0 - Using client-upload signed-URL...

CVE-2026-34750 Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints

Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/storage-azure, @payloadcms/storage-gcs, @payloadcms/storage-r2, and @payloadcms/storage-s3, the client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize...