CVE-2026-93363 — Payload CMS storage-vercel-blob Adapter Improper Access Control on Upload Route
The @payloadcms/storage-vercel-blob storage adapter for Payload contains an improper access control vulnerability that allows authenticated users to bypass collection-level perm…
Published: 2026-09-25 · CVSS: 5.3 · CVSS 4.0
The @payloadcms/storage-vercel-blob storage adapter for Payload contains an improper access control vulnerability that allows authenticated users to bypass collection-level permissions by accessing the client-upload route directly. Attackers can upload files through the client-upload endpoint without possessing the required collection access permissions, circumventing the intended access control enforcement.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7