Vulnerability · Published Oct 6, 2026 · Assigned by GitHub_M

CVE-2026-105852Payload relationship-query authorization bypass

Medium 6.9

In plain English

A medium-severity missing authorization in payload from payloadcms. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.3%top 81.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmpayload3.90.0GHSA-7c34-32v3-j575
npmpayload4.0.0-canary.34GHSA-7c34-32v3-j575

Affected products (as reported)

VendorProductVersions
payloadcms payload < 3.90.0>= 4.0.0-canary.0, < 4.0.0-canary.34

Weakness: CWE-862 · Vector: 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

References