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GHSA-66wr-7vmr-p5jq

Payload authentication token field handling issue

Source: GitHub Advisory Database (reviewed) Critical CVE-2026-105863

Packages

EcosystemPackageAffectedFixed in
npm payload >= 3.0.0, < 3.90.0 3.90.0
npm payload >= 4.0.0-canary.0, < 4.0.0-canary.34 4.0.0-canary.34

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact Under certain field configurations, Payload could include unintended values in the authentication token issued at login. You are affected if: - You use an affected Payload version and have configured a custom field option that maps a field to a reserved authentication claim name. ### Patches Payload now restricts which field configuration options can influence the contents of the authentication token. Users should upgrade payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`. ### Workarounds There is no complete workaround. Users should upgrade payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`.

References

External links from the advisory. They lead to third-party sites.