critical9.4
CVE-2026-105863
Payload is a free and open source headless content management system.
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | payload | >= 3.0.0, < 3.90.0 | 3.90.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Payloadcms | Payload | from 3.0.0 before 3.90.0 Version 4.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-66wr-7vmr-p5jq
- https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq
- https://nvd.nist.gov/vuln/detail/CVE-2026-105863
- https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c
- https://github.com/payloadcms/payload/releases/tag/v3.90.0