CVE-2026-105866

MEDIUM CVSS 4.0: 6.9 EPSS 0.37%
Updated Oct 15, 2026
Payload
Parameter Value
CVSS 6.9 (MEDIUM)
Affected Versions before 3.90.0
Fixed In 3.90.0
Type CWE-645, CWE-307
Vendor Payload
Public PoC No

Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication collection to prevent that account from signing in. 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
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Weakness Type (CWE)

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:*:*
— —