CVE Catalog

CVE-2026-93363

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.18%

6th percentile - higher than 6% of all known CVEs

Summary

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, enabling file uploads without required permissions.

Risk Assessment

Unauthorized file uploads may lead to malicious content hosting, data integrity compromise, or storage resource abuse.

Recommendation

Upgrade the @payloadcms/storage-vercel-blob adapter to the latest version and enforce access control on the client-upload route.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS