CVE-2026-105864

Payload: Cross-tenant create in @payloadcms/plugin-multi-tenant

State: Published
Severity: 5.3 Medium
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 @payloadcms/plugin-multi-tenant versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user limited to one tenant can create a record in another tenant when at least one tenant-enabled collection exists. Reads and direct edits of existing documents in the target tenant are not bypassed. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
payloadpayloadcms	< 3.90.0Affected >= 4.0.0-canary.0, < 4.0.0-canary.34Affected
plugin-multi-tenant@payloadcms	< 3.90.0Affected >= 4.0.0-canary.0, < 4.0.0-canary.34Affected

References

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