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Payload CMS storage-vercel-blob Adapter Improper Access Control on Upload Route

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

7 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

10 Nov 2026 20:24:55 UTC

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. Attacker…

euvd · EUVD-2026-87206 · Published

8 Nov 2026 19:47:55 UTC

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. Attacker…

euvd · EUVD-2026-87206 · Published

6 Nov 2026 19:05:48 UTC

@payloadcms/storage-vercel-blob has access control bypass of uploads in Vercel Storage adapter

euvd · EUVD-2026-87206 · Published

4 Nov 2026 18:06:30 UTC

@payloadcms/storage-vercel-blob has access control bypass of uploads in Vercel Storage adapter

euvd · EUVD-2026-87206 · Published

4 Nov 2026 18:05:55 UTC

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. Attacker…

nvd · CVE-2026-93363 · Published

4 Nov 2026 17:56:03 UTC

@payloadcms/storage-vercel-blob has access control bypass of uploads in Vercel Storage adapter

osv · GHSA-mc8m-rr6c-r5qr · Published

23 Oct 2026 15:48:27 UTC

Payload CMS storage-vercel-blob Adapter Improper Access Control on Upload Route

cve-program · CVE-2026-93363 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 23:12 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current