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Critical · 9.3 CVE-2026-105851 EUVD-2026-93494

Payload: Field access control bypass on auth collections

Published Oct 6, 2026 · Updated Oct 6, 2026 · Assigned by GitHub_M

Description

Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, the duplicate operation copies values from a source document even when a field is hidden or its access.read or access.create rule rejects that value for the caller. The disableDuplicate setting does not prevent this access-control bypass. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

Affected products

VendorProductAffectedFixed
payloadcms payload > 3.0.0, < 3.90.0, > 4.0.0-canary.0, < 4.0.0-canary.34 —

References