CVE-2026-105844
Published:October 06, 2026
Updated:October 10, 2026
Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.
Affected Packages
https://github.com/payloadcms/payload.git (GITHUB):
Affected version(s) >=v3.27.0 <v3.88.0Fix Suggestion:
Update to version v3.88.0@payloadcms/plugin-import-export (NPM):
Affected version(s) >=3.27.0 <3.88.0Fix Suggestion:
Update to version 3.88.0@payloadcms/plugin-import-export (NPM):
Affected version(s) >=4.0.0-canary.1 <4.0.0-canary.27Fix Suggestion:
Update to version 4.0.0-canary.27Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
EPSS
Base Score:
0.52