CVE-2026-105852CWE-862broken-access-control

CVE-2026-105852

High · published October 6, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
17.9
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, querying a readable collection with a relationship to another collection can expose information about related documents protected by access.read where constraints. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00268 · 17.9th percentile
Weakness
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 16:15Z
    Payload relationship-query authorization bypass
    cvelistv5