CVE-2026-105805: Payload: Sort queries could expose protected field information

Severity: medium (CVSS 6.9 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-06 · updated 2026-10-06
Weakness: CWE-200

Description

Payload is a free and open source headless content management system. In versions before 3.88.0 and canary versions before 4.0.0-canary.27, an untrusted user who can query a readable collection, control its sorting, and select a protected field as the sort parameter can infer limited information about field values the user cannot read. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.

Affected products

payloadcms payload: before 3.88.0; from 4.0.0-canary.0, < 4.0.0-canary.27

References

https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a
https://github.com/payloadcms/payload/releases/tag/v3.88.0
https://github.com/payloadcms/payload/security/advisories/GHSA-9g87-32v6-3c2r

Get alerted when CVE-2026-105805 or the next vulnerability affects your stack