CVE-2026-105851

Payload: Field access control bypass on auth collections

State: Published
Severity: 9.3 Critical
Published: Oct 6, 2026
Updated: Oct 6, 2026
Reserved: Oct 5, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N	GitHub_M

Weaknesses

CWE-284 Improper Access Control
CWE-863 Incorrect Authorization

Affected Products

Product	Versions
payloadpayloadcms	> 3.0.0, < 3.90.0Affected > 4.0.0-canary.0, < 4.0.0-canary.34Affected

References

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