[ CVE-2026-105864 · Published 6 Oct 2026 ]
@payloadcms/plugin-multi-tenant has a cross-tenant create issue
CVSS 4.3
EPSS <1%Fix available
[ Description ]Official 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.
[ Fixes ]Fixes and patches
- @payloadcms/plugin-multi-tenant 3.90.0Fixed version · GitHub Advisories · npm package @payloadcms/plugin-multi-tenant: upgrade to 3.90.0 or later (affected < 3.90.0)
- @payloadcms/plugin-multi-tenant 4.0.0-canary.34Fixed version · GitHub Advisories · npm package @payloadcms/plugin-multi-tenant: upgrade to 4.0.0-canary.34 or later (affected >= 4.0.0-canary.0, < 4.0.0-canary.34)
- Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
- Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ Packages ]Affected open-source packages
- @payloadcms/plugin-multi-tenant npmAffected < 3.90.0 · fixed in 3.90.0 · GHSA-xhm9-gwgw-3q2q
- @payloadcms/plugin-multi-tenant npmAffected >= 4.0.0-canary.0, < 4.0.0-canary.34 · fixed in 4.0.0-canary.34 · GHSA-xhm9-gwgw-3q2q