CVE-2026-105844 Payload CMS - Remote Code Execution

Payload CMS 3.0.0 < 3.88.0 and canary < 4.0.0-canary.27 contains a remote code execution caused by unauthenticated submission of prototype-sensitive field paths in @payloadcms/plugin-import-export, letting unauthenticated attackers execute code remotely, exploit requires the import-export plugin enabled.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-1321

Vendor fix

Update to versions 3.88.0 or 4.0.0-canary.27 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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