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CVE-2026-105851

critical · 9.3

Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, the duplicate operation copies values from a source document even when a field is hidden or its access.read or access.create rule rejects that value for the caller. The disableDuplicate setting does not prevent this access-control bypass. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

9.3
CVSS
0.2%
EPSS (exploit prob.)
16th
EPSS percentile
2026-10-06
Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/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

Weaknesses

CWE-284CWE-863

Affected products

VendorProductAffected versions
payloadcmspayload>= 3.0.0, < 3.90.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0
payloadcmspayload4.0.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-105851