CVE-2026-105863

Critical · CVSS 9.2

CVSS: 9.2; nvd
EPSS: —
KEV: No
Class: oss containerizable; CWE-290, CWE-915

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 packages

npm	payload	3.0.0 → 3.90.0
npm	payload	4.0.0-canary.0 → 4.0.0-canary.34

References

https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c
https://github.com/payloadcms/payload/releases/tag/v3.90.0
https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq

Status: profiled · ingested 2026-10-09T06:00:43.000Z