MEDIUMCVSS 5.3EPSS 0.2%

CVE-2026-93363

CVE-2026-93363 updated by NVD

Published: 2026-11-04
Modified: 2026-11-04
EPSS percentile: 7%
Sources: github-advisory, nvd

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. Attackers can upload files through the client-upload endpoint without possessing the required collection access permissions, circumventing the intended access control enforcement.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
npm	@payloadcms/storage-vercel-blob	—	3.90.0, 4.0.0-canary.34

Remediation: Upgrade to 3.90.0 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-93363

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.