Skip to content
OpenAdvisories
Critical · 9.2 CVE-2026-105863 EUVD-2026-93509GHSA-66wr-7vmr-p5jq

Payload authentication token field handling issue

Published Oct 6, 2026 · Updated Oct 9, 2026 · Assigned by GitHub_M

Description

Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0.

Affected products

VendorProductAffectedFixed
payloadcms payload >= 3.0.0, < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm payload >= 3.0.0, < 3.90.0 3.90.0 GHSA-66wr-7vmr-p5jq
npm payload >= 4.0.0-canary.0, < 4.0.0-canary.34 4.0.0-canary.34 GHSA-66wr-7vmr-p5jq

References