CVE-2026-105851CWE-284CWE-863broken-access-control

CVE-2026-105851

High · published October 6, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
15.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
9.3 · 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
EPSS
0.00249 · 15.3th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-863 · Incorrect Authorization
Published
2026-10-06T21:17Z
Affected products (35)
ProductVersionsFixed in
payloadcms/payload≥ 3.0.0, < 3.90.03.90.0
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References (3)
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 16:13Z
    Payload: Field access control bypass on auth collections
    cvelistv5