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.
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Affected Vendors & Products
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Fixes
Solution
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Workaround
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References
History
Fri, 25 Sep 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Payload CMS storage-vercel-blob Adapter Improper Access Control on Upload Route | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-25T17:08:24.978Z
Reserved: 2026-09-17T18:41:40.758Z
Link: CVE-2026-93363
No data.
Status : Received
Published: 2026-09-25T17:17:19.157
Modified: 2026-09-25T18:17:33.190
Link: CVE-2026-93363
No data.
OpenCVE Enrichment
Updated: 2026-09-25T20:45:17Z
Weaknesses