CVE-2026-105860

HIGH CVSS 4.0: 7.1 EPSS 0.19%
Updated Oct 15, 2026
Payload
Parameter Value
CVSS 7.1 (HIGH)
Affected Versions before 3.90.0
Fixed In 3.90.0
Type CWE-862 (Missing Authorization)
Vendor Payload
Public PoC No

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, the default tenant array field access allows an authenticated user to assign the user's own account to other tenants. Deployments that replace the default behavior with secured tenants arrayFieldAccess.create and tenants arrayFieldAccess.update functions are not affected by this behavior.

This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 35

Configuration From (including) Up to (excluding)
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:*:*:*:*:*:node.js:*:*
— 3.90.0
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary0:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary1:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary10:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary11:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary12:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary13:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary14:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary15:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary16:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary17:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary18:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary19:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary2:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary20:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary21:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary22:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary23:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary24:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary25:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary26:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary27:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary28:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary29:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary3:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary30:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary31:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary32:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary33:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary4:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary5:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary6:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary7:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary8:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary9:*:*:*:node.js:*:*
— —