CVE-2026-105859CWE-639CWE-862broken-access-control

CVE-2026-105859

Critical · published October 6, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
27.5
In the wild
Unconfirmed
What it is

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 attacker can submit a request to a specific update endpoint that modifies collection documents without enforcing collection or field-level access control when orderable is enabled on a collection or join field. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00351 · 27.5th percentile
Weaknesses
CWE-639 · Authorization Bypass Through User-Controlled Key; CWE-862 · Missing Authorization
Published
2026-10-06T21:17Z
Affected products (35)
ProductVersionsFixed in
payloadcms/payload< 3.90.03.90.0
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References (3)
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 16:31Z
    Payload: Unauthorized update to collection documents
    cvelistv5